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Ecosystems practice

Total questions: 192

Worksheet time: 4hrs 17mins

Name
Class
Date
1.
An organism's _________ is defined as the environment in which it lives.
a)
habitat
b)
niche
c)
social structure
d)
ecosystem
2.

The ecological role an organism performs in their specific environment is considered the organism's...

a)

Habitat

b)

Population

c)

Biome

d)

Niche

3.

Which is an example of a biotic factor in the environment?

a)

The climate in the region

b)

Carnivores that consume other animals

c)

Amount of helium gas in the air

d)

Flow of water in a river

4.

Lizards and cacti are biotic factors in a desert ecosystem that would rely on which abiotic factors?

a)

insects and sun

b)

water and insects

c)

snakes and temperature

d)

water and soil

5.

What are the abiotic factors in this image?

a)

water, sunlight, dirt, air

b)

birds, trees, and sunlight

c)

water, trees, and birds

6.
All the organisms of a particular type living in the same place at the same time is called a _______.  An example is a herd of deer.
a)
population
b)
community
c)
resource
d)
ecosystem
7.

What is a community?

a)

A habitat with abiotic factors

b)

A very small habitat

c)

All the abiotic factors in a specific area

d)

All the different populations that live together in an area

8.
All of the living and nonliving things in an area that interact with each other are called a/an ______.
a)
community
b)
habitat
c)
population
d)
ecosystem
9.
An area where an organism finds food, shelter and water in a specific arrangement
a)
niche
b)
biosphere
c)
biome
d)
habitat
10.
Different populations living and interacting with each other in the same area
a)
Biome
b)
Ecosystem
c)
Community
d)
Niche
11.

This is an example of population, branch of the ecological levels of organization:

a)

A pack of wolves

b)

A dog

c)

A turtle interacting with a lizzard

d)

A squirrel on a tree

12.
Temperature, sunlight, and water are examples of _______ factors.
a)
biotic
b)
abiotic
13.

This is the study of organisms and their interactions with the environment.

a)

Biology

b)

Geology

c)

Chemistry

d)

Ecology

14.

Select all the items here that are biotic factors.

a)

Water

b)

Predators

c)

Grass

d)

Dirt

e)

Trees

15.

The picture shows this level of organization:

a)

Community

b)

Population

c)

Individual

16.

A scientist is studying how a group of prairie dogs in an area and how they spread out in thier dens. What level of ecology is she studying

a)

population ecology

b)

community ecology

c)

ecosystem ecology

d)

Niche ecology

17.

1. You are hit by an asteroid on your way to get a delicious ice cream treat. The asteroid is what kind of factor on your ability to enjoy your ice cream treat?

a)

biotic

b)

abiotic

18.

The only species in the picture that can cross the volcano is the unicorn. How many TOTAL populations are shown below?

a)

1

b)

2

c)

3

d)

4

19.

The only species in the picture that can cross the volcano is the unicorn. How many communities are shown below?

a)

1

b)

2

c)

3

d)

4

20.

The only species in the picture that can cross the volcano is the unicorn. How many populations of unicorns shown below?

a)

1

b)

2

c)

3

d)

4

21.

The smileys and pacmen are free to move in this area. How many populations of smiley's are there?

a)

1

b)

2

c)

3

d)

4

22.

A description of the bald eagle habitat and niche: eats small fish, is a carnivore, can be found living in trees of the grassland near rivers. Which of the following is an example of a biotic factor of the bald eagle habitat

a)

trees

b)

carnivore

c)

rivers

d)

eats small fishes

23.

500,000 raccoons live in the same habitat, They are considered a ____________________

a)

species

b)

community

c)

population

d)

biomes

24.

Polar bears have physical features that allow them to live in colder places like the Arctic, where as the the brown bear is better suited to live in the woodlands. Which of the following key term best describes theses descriptions

a)

niche

b)

habitat

c)

dwelling place

d)

house

25.
An area where an organism finds food, shelter and water in a specific arrangement
a)
niche
b)
biosphere
c)
biome
d)
habitat
26.

What is a Niche of a honeybee?

a)

Pollenating Flowers

b)

A Honeycomb

c)

Eating other insects.

d)

Swimming.

27.
Temperature, sunlight, and water are examples of _______ factors.
a)
biotic
b)
abiotic
28.

Select all the items here that are biotic factors.

a)

Water

b)

Predators

c)

Grass

d)

Dirt

e)

Trees

29.

Place the levels of environment in the correct order.

a)

biome, biosphere, population, organism, ecosystem,community

b)

organism, ecosystem, biosphere, population, community, biome

c)

organism, population, community, ecosystem, biome, biosphere

d)

population, community, organism, biome, ecosystem, biosphere

30.

The only species in the picture that can cross the volcano is the unicorn. How many TOTAL populations are shown below?

a)

1

b)

2

c)

3

d)

4

31.

The only species in the picture that can cross the volcano is the unicorn. How many communities are shown below?

a)

1

b)

2

c)

3

d)

4

32.

The smileys and pacmen are free to move in this area. How many populations of smiley's are there?

a)

1

b)

2

c)

3

d)

4

33.

Polar bears have physical features that allow them to live in colder places like the Arctic, where as the the brown bear is better suited to live in the woodlands. Which of the following key term best describes theses descriptions

a)

niche

b)

habitat

c)

dwelling place

d)

house

34.

The organism's role is referred to as_______.

a)

producer

b)

consumer

c)

habitat

d)

niche

35.

an organism that eats only plants

a)

carnivore

b)

herbivore

c)

omnivore

36.

an organism that eats only meat

a)

carnivore

b)

herbivore

c)

omnivore

37.

an organism that eats both plants and animals

a)

carnivore

b)

herbivore

c)

omnivore

38.

For a technology project, Kyle came up with an idea to build a model bridge. According to the engineering design process, which of the following should be Kyle's next step?

a)

construct prototypes

b)

research different designs

c)

gather material to build a bridge

39.

A manufacturer has developed a textured surface for plastic cups. The manufacturer has developed 3 different plastic cups based on the criteria. Which of the following should the manufacturer do next?

a)

A. Produce the best plastic cup

b)

B. Design a prototype

c)

C. test and evaluate the cups

40.

Sarah presented an idea for recycling used tires to an automotive company. If she followed the engineering design process, what was the first step in developing her idea?

a)

identifying a problem to solve

b)

selecting the best solution

c)

building a prototype

41.

A company sent prototypes of a newly designed hair dryer for trial use to 100 homes along with a satisfaction survey. They then looked over the results to see how it worked. This last process is part of which step in the engineering design process?

a)

Testing the model

b)

evaluating outcomes

c)

researching the problem

42.

Juan is going to design a kite. After doing research, Juan creates several different designs ON PAPEr and selects the one he wants to use. What are the next two steps Juan should do in the design process?

a)

build a prototype and test it

b)

build and finish full-sized kites

c)

Evaluate the kites

43.
What is the engineering design process used for
a)
To study something
b)
It's not used for anything
c)
To understand something
d)
To Create something or to Improve something.
44.
What is step 1 of the engineering design process?
a)
Ask
b)
Imagine
c)
Plan
d)
Create
45.
What is the first step in the Engineering  Design process?
a)
Follow the Plan
b)
Brainstorm Ideas
c)
Identify the problem
d)
Discuss what can work better
46.
Your car must be balloon powered
It must travel 3 meters
It must drive in a straight line and stay in the 24" wide lane.
a)
Criteria
b)
Constraints
47.
Engineers test and retest their designs to?
a)
spend money
b)
improve constraints
c)
improve designs
d)
build more models
48.

a set of measurable standards or specifications the design must meet

a)

criteria

b)

constraint

c)

problem

d)

prototype

49.

a difficulty or need that must be overcome or solved

a)

criteria

b)

constraint

c)

problem

d)

solution

50.

the ongoing cycle of steps that engineers use to find creative solutions to everyday problems

a)

engineer

b)

engineering

c)

engineering design process

d)

problem

51.

Jake has noticed that when he opens the door, the doorknob hits the wall. He decides to design something to absorb the force of the opening door. He has identified the problem. What is the next step in his design process?

a)

A. Improve his prototype

b)

B. Test his model

c)

C. Take notes on his design

d)

D. Brainstorm solutions

52.

A series of steps that result in a product

a)

Input

b)

Output

c)

Technology

d)

Process

53.

Which describes ¨Define the Problem" step of the Engineering and Design Process?

a)

Ask questions about the problems you observe

b)

Brainstorm many different solutions to the problem. Sketch out your possible solutions.

c)

Build an operating version of your design.

d)

Analyze your design to see if it meets all the specifications

54.

Which describes the ¨Do Background Research¨ step of the Engineering and Design Process?

a)

Learn from the experiences of others to find out about existing solutions and to avoid mistakes

b)

Ask questions about the problems you observe

c)

Look at all of the designs and decide which one you think will work the best.

d)

Try out your design

55.

Which describes the ¨Select the Most Promising Solution¨ step of the Engineering and Design Process?

a)

Look at all of the designs and decide which one you think will work the best.

b)

Build an operating version of your design

c)

Analyze your design to see if it meets all the specifications

d)

Brainstorm many different solutions to the problem. Sketch out your possible solutions.

56.

Which describes the ¨Build A Prototype¨ step of the Engineering and Design Process?

a)

Build an operating version of your design

b)

Try out your design

c)

Ask questions about the problem you observe

d)

Analyze your design to see if it meets all the specifications

57.

Which describes the ¨Evaluate Your Results¨ step of the Engineering and Design Process?

a)

Analyze your design to see if it meets all the criteria

b)

Test your prototype to see if it works

c)

Look at all of your designs and decide which one you think will work the best

d)

Ask questions about the problem you observe

58.

Which step is being described?


Ask questions about the problems you observe

a)

Define the Problem

b)

Brainstorm & Design Possible Solutions

c)

Do Background Research

d)

Evaluate Your Results

59.

¨I am in need of something to hold my remote control¨ is an example of which step?

a)

Define the Problem

b)

Do Background Research

c)

Build a Prototype

d)

Brainstorm & Design Possible Solutions

60.

¨I thought of ideas of my own and sketched at least 3 designs on a sheet of paper¨ is an example of which step?

a)

Brainstorm & Design Possible Solutions

b)

Do Background Research

c)

Build a Protoype

d)

Evaluate Your Results

61.

¨I built the design I chose from the three¨ is an example of which step?

a)

Build a Prototype

b)

Test It

c)

Select the Most Promising Solution

d)

Evaluate Your Results

62.

Engineering is

a)

a human made project

b)

electronic appliances

c)

The application of math and science to solve real world problems

d)

only for geniuses

63.

The purpose of the design process is to

a)

Solve problems effectively and efficiently

b)

Learn about the natural world

c)

use math to make prototypes

d)

Slow down an engineer's work

64.

What is a technology?

a)

an object or idea that is man-made and makes our lives easier

b)

a natural object

c)

an object that makes things more difficult

d)

a system that gains and loses mass freely

65.

Bojangles the cat wants to push a cup off the counter. She studies the cup and wonders if it is too heavy. Which step of the EDP did Bojangles use?

a)

Improve; redesign as needed

b)

Create; build a prototype

c)

Imagine; develop possible solutions

d)

Ask; identify the needs and constraints

66.

Bojangles the cat pushes the cup off the counter. What step of the EDP did Bojangles use?

a)

Improve; redesign as needed

b)

test; and evaluate the prototype

c)

plan; select a promising solution

d)

research; the problem

67.

In a scientific experiment, facts, figures, and other evidence gathered through observations are called

a)

data

b)

manipulated variables

c)

responding variables

d)

laws

68.
The engineering process begins
a)
when you brainstorm new ideas 
b)
creating an advertisment
c)
identifying the need or solution to a problem
69.

Checking to see if the prototype meets your expectations.

a)

brainstorm

b)

communicate results

c)

plan/create

d)

evaluate

e)

state the problem/challenge

70.

A preliminary model of something from which other forms are developed or copied.

a)

design

b)

invention

c)

prototype

d)

technology

71.
An emergency-equipment company makes warning-signal flares. The company wants to redesign  a flare so that it produces light for a longer period of time. 
After the company thinks of ideas, what is the next step in the design process?
a)
Build a prototype
b)
Define the problem
c)
Decide on the best solution
72.

1. Rob and his team have been chosen to build a wind turbine at a local ski resort that needs to generate electrical energy and withstand the harsh environment of the mountains. Rob and his team have done their research on the problem. What would be the next step for the team?

a)

Create a prototype of the wind turbine

b)

Develop possible solutions(s) for the turbine and how it will fit the criteria needed

c)

Test the wind turbine on the mountains during the harsh winter months

d)

Redesign a new solution for this turbine

73.

1. Students have a box of ice pops to take to their soccer game to sell on a hot day. The students know they need a device to keep the ice pops from melting for 3 hours. They have a $15 budget. Which step of the engineering design process does this demonstrate

a)

Identify the problem

b)

Test and evaluate

c)

Redesign

d)

Develop possible solutions

74.

Which step does #3 represent

a)

Evaluate the solution

b)

Identify the problem

c)

Construct and test Prototype

d)

Develope a Solution

75.

Which step is represented by # 5

a)

Identify the problem

b)

Present Solution

c)

Answer if Technology Exists

d)

Evaluate Solution

76.

Which of the following design process steps does NOT happen before building a prototype?

a)

Select best solution

b)

Brainstorm possible solutions

c)

Improve design

d)

Identify the problem

77.

A scientist forms a hypothesis, an engineer does this step first...

a)

builds a prototype

b)

identifies criteria

c)

identifies a problem

78.

What is a prototype?

a)

The final design that is ready to be manufactured.

b)

Drawing that show a single view of an object; in a way that makes it appear 3D.

c)

A model that is used to test certain aspects of a solution.

d)

All choices are correct.

79.

A candy company wants to create new packaging that is easy to open and is recyclable. The engineers develop 5 different packages for the candy. Based on the EDP, what is the next step?

a)

build prototypes and test them

b)

select the design they think is best and then build a prototype

c)

evaluate the results and improve the design

d)

ask questions about the problem and do research

80.

Julie & her team have been chosen to build a stapler that will staple at least 20 pages easily and won’t jam. Julie & her team has done research into the problem and they have chosen what they think is the best design. According to EDP, what is probably the next step for the team?

a)

test the prototype

b)

redesign the prototype

c)

pick a prototype

d)

build a prototype

81.

Students have bags of popcorn to take to a cross country meet to sell on a chilly day. The students know they need a device to keep the popcorn from getting cold for 2 hours. They have a $20 budget. Which step of the EDP does this demonstrate?

a)

making, testing, & evaluating a prototype

b)

Conducting research & drawing diagrams

c)

Brainstorming ideas

d)

Identify a problem

82.

A company is creating a new video game controller. What is part of the testing and evaluating stage of designing a video game controller?

a)

redesigning the video game controller

b)

creating a commercial for the video game controller

c)

drawing diagrams of the video game controller

d)

having different video game players try the controller out on different games

83.

During EDP, when should you brainstorm possible solutions?

a)

right before you build a prototype

b)

After you identify the problem

c)

when you evaluate your design

d)

after you build a prototype

84.

Students in Mrs. J’s & Ms. T’s classes have been given a challenge to launch a marshmallow as far as possible.

Students realized their marshmallows weren’t going very far and noticed other teams were going farther. They decide to change their design. Which step is being described?

a)

Optimize the design

b)

Research the need or problem

c)

Test & evaluate the solution

d)

Communicate the solution

85.

Students in Mrs. J’s & Ms. T’s classes have been given a challenge to launch a marshmallow as far as possible.

The students should try their catapult and see if it is throwing the marshmallows far and if there are any problems with it. Which step is this?

a)

Imagining different solutions

b)

Communicating the solution

c)

Improving the design

d)

Testing & Evaluating the solution

86.

Students in Mrs. J’s & Ms. T’s classes have been given a challenge to launch a marshmallow as far as possible.

The students select the best solution and build a catapult based on their drawing. Which step is this?

a)

Researching the need or problem

b)

Constructing a prototype

c)

Improving the design

d)

Conducting research and drawing a diagram

87.

What is a problem?

a)

a difficulty or need

b)

a type of solution

c)

a testable question

d)

a mathematical equation

88.

What is an engineer?

a)

a scientist who creates problems

b)

a scientist who designs and develops solutions to problems

c)

a scientist who performs controlled investigations

d)

a scientist who critiques the innovations and designs of others

89.
Desired specifications (elements or features) of a product or system.
a)
Prototype 
b)
Criteria 
c)
Dimensioning 
d)
Evaluate 
90.
A limit to the design process. These may be such things as appearance, funding, space, materials, and human capabilities. 
a)
Prototype
b)
Constraints
c)
Dimensioning
d)
Brainstorming
91.
Of criteria and constraints, which includes the limitations on the design, such as size and weight limitations and time and funds restrictions?
a)
criteria
b)
constraints
92.
time, budget and safety are almost always considered to be____________
a)
trade-offs
b)
criteria
c)
constraints
d)
efficiency
93.
A plan produced to show the workings of an object before it is built or made
a)
solution
b)
design
c)
prototype
d)
iterative process
94.
This person searches for answers to technological and natural questions to obtain knowledge of why something is the way it is.
a)
scientist 
b)
engineer
c)
technologist
95.

The standards that help engineers measure how well their design does its job.

a)

criteria

b)

engineer

c)

prototype

d)

failing forward

96.

is the application of science for the real-world purposes

a)

Science

b)

Engineering

c)

Technology

d)

Prototype

97.

Limitations or challenges

a)

criteria

b)

constraints

c)

trade-off

d)

prototype

98.

Spending more money to get stronger metal for a bridge is an example of

a)

Trade-off

b)

Constraints

c)

Prototype

d)

Technology

99.
Build within your budget
You can only use materials given
You have two days to build
a)
Constraints
b)
Criteria
100.
Which word best describes a constraint?
a)
option
b)
opportunity
c)
limitation
d)
goal
101.

Identified elements and/or features of a product or system are the

a)

Criteria

b)

Trade-offs

c)

Constraints

d)

Efficiency

102.

Marisol excitedly emptied her locker and carefully placed the makeshift shelf inside. “Success!” she thought to herself. It fit perfectly! She stacked her books on top of the sturdy shelf, and happily noted that it had no problem holding all of her books. One by one, she filled her hanging organizer with makeup, perfumes, extra pens and pencils, and—oh no! Before the pockets were even filled, the organizer fell to the ground. The paperclips weren’t strong enough to support the weight of all of her belongings. What part of the Engineering Design Process is this?

a)

Testing Solutions

b)

Optimizing Solutions

c)

Constraints and Criteria

d)

Evaluating Ideas

103.

The paperclips weren’t strong enough to support the weight of all of her belongings. So The next day, Marisol used hooks to hang her organizer and it held all of her personal items without falling. What part of the Engineering Design Process is this?

a)

Testing Solutions

b)

Optimizing Solutions

c)

Constraints and Criteria

d)

Evaluating Ideas

104.

Which of the following is most likely part of the testing and evaluation stage of designing a smart phone?

a)

Writing an advertisement for the smart phone

b)

Defining the specifications for the smart phone

c)

Finding the plasticity of a new alloy to be used for the smart phone case

d)

Trying the smart phone with a range of voltages to determine when it will fail

105.

What two things determine whether or not engineering solutions are successful?

a)

If it stays within the constraints

b)

If it looks cool

c)

If it solves a problem

d)

If it meets the criteria

106.

Which one of these pictures looks like a prototype for a phone?

a)
b)
107.
What is the main job of engineers?
a)
Working on a computer
b)
Using math
c)
Using science
d)
Solving problems
108.

Is the diagram showing the correct order of the Engineering process?

a)

YES

b)

NO

c)

I don't know

109.

Phenomenon

a)

An observable event which can lead to a scientific investigation.

b)

An observation that deals with a number or an amount.

c)

A limitation or condition that must be satisfied by a design.

110.

Observation

a)

An observation that deals with a number or amount

b)

Information obtained through the senses.

c)

An interpretation of things that we observe

111.

In science, the purpose of investigations is to

a)

learn about why things work the way they do.

b)

eat grapefruit.

c)

solve a problem.

d)

dance like never before

112.

In engineering, the purpose of investigations is to

a)

learn about why things work the way they do.

b)

eat grapefruit.

c)

solve a problem.

d)

dance like never before

113.

Who would most likely ask this question, " Why does the sun create heat?"

a)

Engineer

b)

Your Art teacher

c)

Scientist

d)

Da Baby

114.

Who would most likely ask this question, " How can we make a helmet to help protect an egg in a fall?"

a)

Engineer

b)

Biden

c)

Scientist

d)

Post Malone

115.

The goal, the challenge, a puzzle to solve

a)

Process

b)

Output

c)

Input

d)

Problem

116.

What are two steps involved in the defining of a problem?

a)

Test the prototype

b)

Ask questions

c)

Research

d)

Build the prototype

117.

An endoscope is a probe that doctors use to examine parts of the body from the inside.

a)

inquiry

b)

technology

c)

knowledge

d)

observation

118.
What is a producer? 
a)
Organism that creates their own food.
b)
Organism that eat other organisms for energy
c)
Organism that eat other dead organisms
119.
What is a consumer? 
a)
Organism that creates their own food.
b)
Organism that eat other organisms for energy
c)
Organism that eat other dead organisms
120.
What is a decomposer? 
a)
Organism that creates their own food.
b)
Organism that eat other organisms for energy
c)
Organism that eat other dead organisms
121.
What do Omnivores eat? 
a)
Plants ONLY 
b)
Animals ONLY
c)
Plants AND Animals
122.
What animal is on the top of the food chain? 
*Remember Humans are on the top of all food chains because we do not get hunted. 
a)
Grass
b)
Grasshopper
c)
Mouse
d)
Owl
123.
Who is the producer in this food chain? 
a)
Grass
b)
Grasshopper
c)
Mouse
d)
Ow
124.
Who does the grasshopper get energy from? 
a)
Grass
b)
Grasshopper
c)
Mouse
d)
Ow
125.

Which of these organisms would receive energy from the snake?

a)

Plant

b)

Rabbit

c)

Mouse

d)

Hawk

126.

The food web supports which statement?

a)

Organisms are independent from one another.

b)

Each organism has its own, unique food source.

c)

Matter cannot move from one organism to

another.

d)

Matter can be recycled between organisms

and their environment.

127.

Which organisms compete for food in the food web to the

right?

a)

Orca and Herring

b)

Seal and Copepod

c)

Killifish and Snapper

d)

Mackerel and Bluefish

128.

What's the role of consumers in a food chain?

a)

Use sunlight to make food

b)

Eat other species and keep them from overpopulating

c)

Break down dead stuff

d)

Add nutrients to the soil

129.

Which of these organisms would receive energy from the snake?

a)

Plant

b)

Rabbit

c)

Mouse

d)

Hawk

130.

Which type of consumer is always a first consumer?

a)

Herbivore

b)

Omnivore

c)

Carnivore

d)

Producer

131.

Which type of consumer could be a first or second consumer?

a)

Herbivore

b)

Omnivore

c)

Carnivore

d)

Producer

132.

If the RABBITS became diseased, which organisms would also be NEGATIVELY affected?

a)

Grass and hawks

b)

Grass and snakes

c)

Grass, snakes, and hawks

d)

Snakes and hawks

133.

If the RABBITS became diseased, which organisms would also be POSITIVELY affected?

a)

Grass

b)

Snakes

c)

Nobody (all hurt)

d)

Hawks

134.

Which of the following is not true about predator-prey relationships?

a)

Predators lower the size of prey populations

b)

If a prey population grows, the predator population will grow too

c)

Predators hunt/eat prey.

d)

If a predator is removed, the prey population will die off.

135.

Why are the lower levels of the energy pyramid bigger than the top levels?

a)

The bottom is for larger animals.

b)

The bottom levels don't need as much energy.

c)

The top levels get energy (eat) the lower levels.

d)

The top levels have fewer predators for they are smaller.

136.
In this food pyramid, which level has the greatest amount of energy?
a)
Producers
b)
Primary Consumers
c)
Secondary Consumers
d)
Tertiary Consumers
137.
How much energy is passed from one trophic level to the next?
a)
1%
b)
10%
c)
50%
d)
100%
138.
What may happen if the snowshoe hare was removed from the food web pictured?
a)
The insects in the habitat would increase.
b)
The shrew population would decrease due to being only hawk food source.
c)
The willow tree population would decrease.
d)
Foxes would dies due to no food source. 
139.
Why might an organism have more than one arrow coming from them in a food web?
a)
More than one organism may eat them. 
b)
They may eat more than one other organism. 
c)
This organism gets its energy from multiple sources. 
d)
They have no resources available to them.
140.
The direction of the flow of energy in a food web is represented by ___.
a)
Light bulbs
b)
Dotted Lines
c)
Arrows
d)
Bubbles
141.
Which of the following is a herbivore?
a)
cricket
b)
frog
c)
hawk
d)
shrew
142.

In a food web, arrows point in just one direction because they show

a)

which animal is bigger.

b)

which animals are related.

c)

how energy goes to the animal that is eating.

d)

how energy goes to the animal that is eaten.

143.

Using the food web which of the following is a primary consumer?

a)

butterfy

b)

snake

c)

fox

d)

frog

144.

Using the food web which of the following is a tertiary consumer?

a)

frog

b)

bird

c)

eagle

d)

worm

145.

Using food web what is the highest trophic level?

a)

1

b)

2

c)

3

d)

5

146.

What % of energy is passed from organism to organism?

a)

100%

b)

10%

c)

5%

d)

25%

147.

The graph shows that

a)

wolf population control the rabbit population

b)

the rabbit population control the wolf population

c)

the two populations do not affect each other

d)

wolves do not hunt rabbits

148.

Last name, first name

4 lines
149.
An area where an organism finds food, shelter and water in a specific arrangement
a)
niche
b)
biosphere
c)
biome
d)
habitat
150.
All of the living and nonliving things in an area that interact with each other are called a/an ______.
a)
community
b)
habitat
c)
population
d)
ecosystem
151.
Different populations living and interacting with each other in the same area
a)
Biome
b)
Ecosystem
c)
Community
d)
Niche
152.

Place the levels of environment in the correct order.

a)

biome, biosphere, population, organism, ecosystem,community

b)

organism, ecosystem, biosphere, population, community, biome

c)

organism, population, community, ecosystem, biome, biosphere

d)

population, community, organism, biome, ecosystem, biosphere

153.

What is a Niche of a honeybee?

a)

Pollenating Flowers

b)

A Honeycomb

c)

Eating other insects.

d)

Swimming.

154.

This is an example of population, branch of the ecological levels of organization:

a)

A pack of wolves

b)

A dog

c)

A turtle interacting with a lizzard

d)

A squirrel on a tree

155.
Temperature, sunlight, and water are examples of _______ factors.
a)
biotic
b)
abiotic
156.

This is the study of organisms and their interactions with the environment.

a)

Biology

b)

Geology

c)

Chemistry

d)

Ecology

157.

Select all the items here that are biotic factors.

a)

Water

b)

Predators

c)

Grass

d)

Dirt

e)

Trees

158.

The picture shows this level of organization:

a)

Community

b)

Population

c)

Individual

159.

A scientist is studying how a group of prairie dogs in an area and how they spread out in thier dens. What level of ecology is she studying

a)

population ecology

b)

community ecology

c)

ecosystem ecology

d)

Niche ecology

160.

1. You are hit by an asteroid on your way to get a delicious ice cream treat. The asteroid is what kind of factor on your ability to enjoy your ice cream treat?

a)

biotic

b)

abiotic

161.

The only species in the picture that can cross the volcano is the unicorn. How many TOTAL populations are shown below?

a)

1

b)

2

c)

3

d)

4

162.
What may happen if the snowshoe hare was removed from the food web pictured?
a)
The insects in the habitat would increase.
b)
The shrew population would decrease due to being only hawk food source.
c)
The willow tree population would decrease.
d)
Foxes would dies due to no food source. 
163.

The only species in the picture that can cross the volcano is the unicorn. How many communities are shown below?

a)

1

b)

2

c)

3

d)

4

164.

The only species in the picture that can cross the volcano is the unicorn. How many TOTAL populations are shown below?

a)

1

b)

2

c)

3

d)

4

165.

The smileys and pacmen are free to move in this area. How many populations of smiley's are there?

a)

1

b)

2

c)

3

d)

4

166.

The largest number of individuals that an environment can support long term is...

a)

carrying capacity

b)

emigration

c)

immigration

d)

population density

167.

What happens if a population grows past its carrying capacity?

a)

The population keeps growing

b)

The population starts to die off

c)

The entire species will go extinct

d)

The carrying capacity just increases

168.

This may cause a population to increase

a)

increase of food supply

b)

removal of predators

c)

removal of disease

d)

all of these

169.

Something that regulates the size of a population is called...

a)

a limiting measure

b)

a limiting factor

c)

carrying capacity

d)

biodiversity

170.

What are factors that affect carrying capacity?

a)

Biotic only

b)

Biotic and abiotic

c)

Depends on the ecosystem

d)

Abiotic only

171.

What is the carrying capacity of the graph?

a)

1000

b)

8000

c)

800

d)

600

172.

What is the carrying capacity of the graph?

a)

around 500

b)

more than 800

c)

less than 300

d)

around 700

173.
If a disease destroying barley plants in a field swept through an ecosystem, what would happen to the barley eating bird population in the the field ?
a)
The bird population would stay the same
b)
The bird population would infinitely increase
c)
The bird population would decrease
174.

A scientist was studying a population of fish in a pond over a period of 10 years. He observed that the population increased each year for 3 years, and then remained nearly constant for the rest of the study. The best explanation for this observation is that the population had

a)

stopped reproducing

b)

reached carrying capacity

c)

mutated into a different species

d)

run out of food and all died

175.

The graph to the right shows the interaction of the wolf and moose populations on Isle Pekie. If the moose population continues to increase, the wolves' food supply will increase. What will most likely happen to the wolf population as a result?

a)

It will decrease.

b)

It will increase.

c)

It will remain the same.

176.

In the graph to the right, what is the population of deer at the carrying capacity of the environment?

a)

3

b)

7

c)

70

d)

40

177.
What is the carrying capacity for this sheep population?
a)
1.8 million
b)
1.25 million
c)
1.6 million
d)
1.o million
178.

What does the yellow line represent?

a)

exponential growth

b)

logistic growth

c)

carrying capacity

d)

none of the above

179.

Carrying capacity is...

a)

The lowest number of organisms in an ecosystem.

b)

The total number of organisms in an ecosystem.

c)

The maximum number of organisms an ecosystem and its resources can support.

d)

The number of living organisms in an ecosystem.

180.

When resources are not available a population will _____________ in size.

a)

Increase

b)

Decrease

c)

Stay the same

181.
The ecological niches of three bird species are shown in the diagram. What is the advantage of each bird species having a different niche?
a)
As more birds feed higher in the tree, available energy increases.
b)
More abiotic resources are available for each bird.
c)
Predators are less likely to feed on birds in a variety of locations.
d)
There is less competition for food.
182.

A niche ________________.

a)

is the function that an organism performs in the food web of that community.

b)

includes everything else the organism does and needs in its environment.

c)

is specific to each individual animal and plant.

d)

All of the above.

183.
What factor would cause animals of the same species to begin competing with one another?
a)
increase in precipitation         
b)
the presence of decomposers
c)
the introduction of a new food source
d)
limited supply of resources
184.
Different species are most likely to compete for resources in an ecosystem if both species attempt to –
a)
occupy the same niche.
b)
successfully reproduce.
c)
live in different habitats.         
d)
find different food sources.   
185.

An organism's ______________ is the place in which it lives and hunts for food.

a)

limiting factor

b)

carrying capacity

c)

habitat

d)

competition

186.

A description of the bald eagle habitat and niche: eats small fish, is a carnivore, can be found living in trees of the grassland near rivers. Which of the following is an example of a biotic factor of the bald eagle habitat

a)

trees

b)

carnivore

c)

rivers

d)

eats small fishes

187.

Which diagram shows both biotic and abiotic factors making-up the ecosystem level

a)

a

b)

b

c)

c

d)

d

188.

500,000 raccoons live in the same habitat, They are considered a ____________________

a)

species

b)

community

c)

population

d)

biomes

189.

Polar bears have physical features that allow them to live in colder places like the Arctic, where as the the brown bear is better suited to live in the woodlands. Which of the following key term best describes theses descriptions

a)

niche

b)

habitat

c)

dwelling place

d)

house

190.

In a deciduous forest habitat of Canada, there are populations of deer, oak trees, foxes and rabbits. Which level of organization best describes this description

a)

ecosystem

b)

biomes

c)

community

d)

biosphere

191.

Which of the following is true about habitats and niches

a)

organisms can share same habitat but not the same niche

b)

organisms can share both habitats and niches

c)

Organisms can share the same niche but not the same habitat

d)

organisms cannot share the same habitat or niche

192.

Which of the following best describes the diagram

a)

identifying niches of similar birds

b)

identifying habitats of similar birds

c)

identifying both niches and habitats of similar birds

d)

identifying different adaptations of similar birds

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