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Ecosystems Exam Review

Total questions: 110

Worksheet time: 5hrs 43mins

Name
Class
Date
1.
A single living thing is a(n) ______ .
a)
Pollutant
b)
Biologist
c)
Organism
d)
Ecologist
2.
Why do organisms need food?
a)
It's yummy.
b)
So they don't starve.
c)
Energy
d)
Energy and Building Materials
3.
Which is an example of a producer?
a)
Cheeseburger
b)
Strawberry
c)
Taco
d)
Milk
4.
Which is NOT an example of a consumer?
a)
Cow
b)
Pineapple
c)
Bird
d)
Lion
5.
What does a producer need in order to grow?
a)
Soil
Water
Air
b)
Water
Soil
Sunlight
c)
Sunlight
Water
Soil
Carbon Dioxide
d)
Water
Carbon Dioxide
Sunlight
6.
Food chains always start with _______ .
a)
Consumer
b)
Producer
c)
Energy
d)
Energy and Building Materials
7.
Why are there arrows on a food web or food chain?
a)
Flow of Energy
b)
Path of destruction
c)
No arrows needed, only lines
8.
Why is a plant considered a producer?
a)
It must eat other organisms to get energy and building materials
b)
A plant can produce movies
c)
A plant does not need food for energy and building materials
d)
A plant can create its own food using sunlight and water
9.
The hamburger that Lincoln ate for dinner can be traced back to:
a)
predators
b)
producers
c)
consumers
d)
water
10.
ALL of these are examples of direct interactions in a food web EXCEPT:
a)
Predator/Prey
b)
Competition
c)
Producer/Consumer
d)
Parasite/Host
11.
True or False: An organism can be added to a food web without other organisms being affected
a)
False
b)
True
12.
The penguin is a  _________  to the smaller tooth whales.
a)
Producer
b)
Predator
c)
Prey
d)
No relation
13.
How many organisms have a DIRECT interaction with penguin?
a)
0
b)
3
c)
5
d)
7
14.
A species that has always lived in a certain ecosystem is known as _______ .
a)
invasive species
b)
abiotic species
c)
native species
d)
biotic factor
15.
Which of these structures aids a giraffe in the function of eating?
a)
sharp teeth
b)
lungs
c)
long neck
d)
long trunk
16.
Where is the Lake Trout considered an Invasive Species?
a)
Great Lakes
b)
Atlantic Ocean
c)
Yellowstone National Park
d)
Local ponds
17.

Choose the correct levels of Organization from lowest to highest...

a)

population, community, ecosystem, organism

b)

organism, population, community, ecosystem

c)

organism, population, ecosystem, community

d)

population, organism, community, ecosystem

18.

A community is a level in organization that is....

a)

made of populations of different species that live in the same place and interact.

b)

a single individual species of organisms that are similar.

c)

all the individual organisms of the same species in the same place.

19.

A(n) ______ is a group of organisms that are have similar characteristics and can mate with each other to produce offspring that can also mate and reproduce.

a)

organism

b)

species

c)

population

d)

community

20.

A prairie dog, a hawk, and a badger all are members of the same ________________.

a)

niche

b)

community

c)

species

d)

population

21.

An example of a population is

a)

all trees in a forest

b)

all maple trees in a forest

c)

all plants in a forest

d)

all animals in a forest

22.

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

a)

Evolution

b)

Ecology

c)

Biology

d)

Commensalism

23.

What ecological level of organization can be seen here?

a)

Species

b)

Population

c)

Community

d)

Ecosystem

24.

What is the largest level of ecological organization that can be observed in the image?

a)

Species

b)

Population

c)

Community

d)

Ecosystem

25.
Which of the following best describes a community?
a)
sharks, groupers, anemones and shrimp on a coral reef
b)
decorator crabs on the seafloor
c)
loggerhead sea turtles in Atlantic
d)
prairie grassland in Wyoming
26.

Which levels of ecological organization are made up of ONLY BIOTIC factors?

a)

Ecosystem

b)

Community

c)

Population

27.

4,386 Red Foxes in Massachusetts in October 2020

a)

Community

b)

Species

c)

Population

d)

Organisms

28.

About how many visible organisms are in this image of the Mojave Desert?

a)

About 10

b)

About 15

c)

About 30

d)

About 45

29.

What is one ABIOTIC factor in this ecosystem?

a)

frog

b)

tadpole

c)

water

d)

snail

30.

What is one BIOTIC factor in this ecosystem?

a)

Soil

b)

Water weeds

c)

Sun

d)

Water

31.

All living and non-living things that interact in an area is the definition of __________________.

a)

Ecosystem

b)

Community

c)

Population

d)

Organism

32.

A member of one species is the definition of ____________.

a)

Ecosystem

b)

Community

c)

Population

d)

Organism

33.

Is a Behavior and physical characteristics of species that allow them to live successfully in their environment.

a)

Natural Selection

b)

Adaptation

c)

Insight learning

d)

Cooperative behavior

34.

Is a characteristic that makes an individual suited to the environment and helps it to survive and reproduce in its environment.

a)

Adaptation

b)

Natural Selection

c)

Habitat

d)

Behavior

35.

The disappearance of all members of a species from Earth

a)

Biodiversity

b)

Keystone species

c)

Extinction

d)

Invasive species

36.

Non-native species

a)

Biodiversity

b)

Keystone species

c)

Extinction

d)

Invasive species

37.

A type of symbiosis between 2 species in which one species benefits and the other species is neither helped or harmed

a)

Symbiosis

b)

Mutualism

c)

Commensalism

d)

Parasitism

38.

A type of symbiosis in which both species benefit from living together

a)

Symbiosis

b)

Mutualism

c)

Commensalism

d)

Parasitism

39.

A type of symbiosis in which one organism lives with, on, or in a host and harms it

a)

Symbiosis

b)

Mutualism

c)

Commensalism

d)

Parasitism

40.

An interaction in which one organism kills another for food or nutrients

a)

Predation

b)

Prey

c)

Competition

d)

Niche

41.

Any relationship in which 2 species live closely together and that benefits at least one of the species.

a)

Symbiosis

b)

Mutualism

c)

Commensalism

d)

Parasitism

42.

The struggle between organisms to survive as they attempt to use the same limited resources in the same place at the same time

a)

Predation

b)

Prey

c)

Competition

d)

Niche

43.

An animal that is hunted and killed by another for food

a)

Predation

b)

Prey

c)

Competition

d)

Niche

44.
In which ecosystem would I find the following things:
1. A lot of mammals
2. Usually warm weather
3. Very few trees
4. Fertile soil
a)
grassland
b)
forest
c)
ocean
d)
estuary
45.
Which aquatic ecosystem has both salt and fresh water that is mixed together (brackish water)?
a)
estuary
b)
lakes
c)
ponds
d)
oceans
46.
Which 2 ecosystems are aquatic?
a)
1 & 2
b)
1 & 4
c)
2 & 4
d)
2 & 3
47.
What is ecosystem B?
a)
grassland
b)
forest
c)
lakes and ponds
d)
ocean
48.
Which word means "land based" ecosystem?
a)
Terrestrial
b)
Aquatic
49.
Which word means "water-based" ecosystem?
a)
Terrestrial
b)
Aquatic
50.
This ecosystem contains salt water.
a)
Forest
b)
Grassland
c)
Ocean
d)
Lakes/Ponds
51.
This ecosystem contains brackish water
a)
Forest
b)
Estuary
c)
Ocean
d)
Lakes/Ponds
52.
This ecosystem has very few trees and a lot of varieties of grasses.
a)
Forest
b)
Grassland
c)
Wetland
d)
Lakes/Ponds
53.
Which word means "land based" ecosystem?
a)
Terrestrial
b)
Aquatic
54.
Which word means "water-based" ecosystem?
a)
Terrestrial
b)
Aquatic
55.
This ecosystem receives direct sunlight all day because it has few trees.
a)
Forest
b)
Grassland
c)
Swamp-Wetland
56.
This ecosystem receives very little rainfall.
a)
Forest
b)
Grassland
c)
Wetland
d)
Ocean
57.
A(n) ___________ is where the river meets an ocean.
a)
wetland
b)
pond
c)
lake
d)
estuary
58.
_________ are large bodies of saltwater divided by continents.
a)
Oceans
b)
Lakes
c)
Ponds
d)
Estuaries
59.
_____________ are bodies of freshwater that are surrounded by land.
a)
Oceans
b)
Estuaries
c)
Lakes/Ponds
d)
Forests
60.
__________ are areas of land that, at least part of the year, are under water.
a)
Forests
b)
Grasslands
c)
Wetlands
d)
Oceans
61.
Prairies, steppes, and savannas are all types of ____________. 
a)
forests
b)
grasslands
c)
wetlands
d)
estuaries
62.
Rain forests, temperate forests, deciduous forests, coniferous forests, and taigas are all types of _____________. 
a)
forests
b)
grasslands
c)
wetlands
d)
oceans
63.
Swamps and marshes are both examples of ______________.
a)
forests
b)
grasslands
c)
wetlands
d)
lakes/ponds
64.
This ecosystem would have many trees.
a)
Forest
b)
Grassland
c)
Ocean
d)
Lakes/Ponds
65.
Which of the following best describes a community?
a)
sharks, groupers, anemones and shrimp on a coral reef
b)
decorator crabs on the seafloor
c)
loggerhead sea turtles in Atlantic
d)
prairie grassland in Wyoming
66.

An example of a population is

a)

all trees in a forest

b)

all maple trees in a forest

c)

all plants in a forest

d)

all animals in a forest

67.

The non-living parts of an organism's environment are called...

a)

community

b)

biotic factors

c)

habitat

d)

abiotic factors

68.

A community is a level in organization that is....

a)

made of populations of different species that live in the same place and interact.

b)

a single individual species of organisms that are similar.

c)

all the individual organisms of the same species in the same place.

69.

In a habitat, animals have a __________, which is how they interact, get food and shelter.

a)

niche

b)

ecosystem

c)

community

d)

population

70.

The physical part of the ecosystem that meets the needs of an organism is called:

a)

role

b)

ecosystem

c)

habitat

d)

population

71.

The living or once living parts of an organism's environment are called its...

a)

community

b)

habitat

c)

biotic factors

d)

abiotic factors

72.

An organism is an abiotic factor

a)

True

b)

False

73.

4,386 Red Foxes in Massachusetts in October 2020

a)

Community

b)

Species

c)

Population

d)

Organisms

74.

A(n) ______ is a group of organisms that are have similar characteristics and can mate with each other to produce offspring that can also mate and reproduce.

a)

organism

b)

species

c)

population

d)

community

75.

Choose the correct levels of Organization from lowest to highest...

a)

population, community, ecosystem, organism

b)

organism, population, community, ecosystem

c)

organism, population, ecosystem, community

d)

population, organism, community, ecosystem

76.

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

a)

Evolution

b)

Ecology

c)

Biology

d)

Commensalism

77.

A living thing...

a)

an organism.

b)

the biosphere.

c)

a population.

d)

a community.

78.

How many species of animal are in this image?

a)

8

b)

19

c)

2

d)

10

79.

Factors used to describe a habitat would include...

a)

Amount of rainfall

b)

An organisms "profession or role"

c)

Temperature range

d)

The type of plants found there

80.

About how many visible organisms are in this image of the Mojave Desert?

a)

About 10

b)

About 15

c)

About 30

d)

About 45

81.

The squirrel eats nuts, seeds, and insects. It builds a nest in a tree. It is eaten by foxes, hawks, and racoons. It buries its food in the ground for storage over the winter - this helps disperse the seeds for plants. It carries diseases that can be spread in the community.


This situation best shows the squirrel's...

a)

Niche

b)

Habitat

c)

Ecosystem

d)

Community

82.

Which levels of ecological organization are made up of ONLY BIOTIC factors?

a)

Ecosystem

b)

Community

c)

Population

83.

What is the largest level of ecological organization that can be observed in the image?

a)

Species

b)

Population

c)

Community

d)

Ecosystem

84.

What ecological level of organization can be seen here?

a)

Species

b)

Population

c)

Community

d)

Ecosystem

85.

A prairie dog, a hawk, and a badger all are members of the same ________________.

a)

niche

b)

community

c)

species

d)

population

86.
All energy on Earth ultimately comes from what source?
a)
Water
b)
Sun
c)
Consumers
d)
Oxygen
87.
What are plants called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Scavengers
88.
What are animals called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Plants
89.
What are the organisms that break down dead stuff?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Organisms
90.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
91.

Click on the image to make it larger-- Choose all that apply: The hawk gets energy from...

a)

mouse

b)

rabbit

c)

wildflowers

d)

snake

92.

Click on the image to make it larger-- Choose the living things that are producers...

a)

wildflowers

b)

rabbit

c)

snake

d)

grass

93.

Click on the imgae to make it larger-- Choose the herbivores in the food web....

a)

hawk

b)

mouse

c)

rabbit

d)

snake

94.

A ____________________ shows how energy is passed from one living thing to another...

a)

ecosystem

b)

food chain

c)

habitat

95.

A cow eats grass found in its habitat. A cow is a

a)

producer

b)

consumer

c)

herbivore

96.

Bears eat berries and salmon. Bears are ...

a)

producers

b)

carnivores

c)

omnivores

97.

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.

98.
What is missing from this food chain?
Grass > Grasshopper > Bird > Snake
a)
Producer
b)
Primary Consumer
c)
Secondary Consumer
d)
Decomposer
99.

Plants are called _____________ as they make their own food.

a)

consumers

b)

producers

c)

decomposers

d)

conductors

100.

Plants obtain light from the sun to make food during _______________.

a)

respiration

b)

pollination

c)

reproduction

d)

photosynthesis

101.

Consumers that feed on plants are also known as ____________.

a)

herbs

b)

herbivores

c)

spores

d)

reservoirs

102.

Consumers that eat other animals are also known as ________________.

a)

carnivores

b)

carnivals

c)

producers

d)

decomposers

103.

Animals that eat both plants and animals are known as ______________

a)

greedy

b)

herbivores

c)

carnivores

d)

omnivores

104.
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
105.
Which food chain is in the correct order?
a)
cat, grass, bird, snail
b)
bird, snail, grass, cat
c)
grass, snail, bird, cat
d)
grass, cat, bird, snail
106.
Molds, bacteria, and worms are ________.
a)
decomposers
b)
producers
c)
consumers
d)
food chains
107.
Humans are considered...
a)
consumers
b)
decomposers
c)
producers
108.

In the food web shown, who is the secondary consumer?

a)

grass

b)

mouse

c)

rabbit

d)

fox

109.

What does a primary consumer eat?

a)

tertiary consumers

b)

secondary consumers

c)

producers

d)

decomposers

110.
What does a food web represent?
a)
All connections of energy flow throughout all organisms in a ecosystem.
b)
The specific ways that mutualism is carried out.
c)
A single pathway or energy flow between organisms. 
d)
How carnivores get their food. 

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