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Unit 7 - Quiz 2 Review: Food Webs, Populations, and Adaptations

Total questions: 86

Worksheet time: 1hrs 3mins

Name
Class
Date
1.
Which one is NOT an example of a decomposer?
a)
mushroom
b)
leaves
c)
mold
d)
worm
2.

An example of a producer is __________________

a)

a frog

b)

algae

c)

a worm

d)

a mouse

3.
A tree is a ....
a)
composer
b)
decomposer
c)
producer
4.
Mold is a 
a)
producer
b)
consumer
c)
decomposer
5.

Humans are considered...

a)

hervivores

b)

carnivores

c)

omnivores

d)

producers

6.
What is a producer?
a)
an organism that gets energy from eating other organisms
b)
an organisms that uses sunlight to make its own food
c)
an organism that gets energy from eating dead organisms, non-living material or waste
d)
an organism that uses chemical energy to make its own food
7.
Which best describes what a food chain shows you?
a)
Energy flow through an ecosystem
b)
Food flowing through an ecosystem
c)
Consumers going into other consumers
d)
Who eats who
8.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
9.
What is the role of a producer?
a)
Use sunlight to make food
b)
Gain energy from eating other organisms
c)
Keep other species from overpopulating
d)
Breaking down dead stuff 
10.
What is the role of decomposers in a food chain?
a)
Use sunlight to make food
b)
Eat other organisms to gain energy
c)
Make the food for the whole food chain
d)
Break down dead organisms and add nutrients to the soil
11.

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

a)

Use sunlight to make food

b)

Eating other species for energy

c)

Break down dead stuff

d)

Add nutrients to the soil

12.
Which type of consumer eats plants only?
a)
Herbivores
b)
Omnivores
c)
Carnivores
d)
Scavengers
13.
Which type of consumer eats meat only?
a)
Producers
b)
Herbivores
c)
Carnivores
d)
Omnivores
14.
Which type of consumer eats meat and plants?
a)
Herbivores
b)
Carnivores
c)
Omnivores
d)
Plants
15.

Which type of consumer is ALWAYS a primary consumer?

a)

Herbivore

b)

Omnivore

c)

Carnivore

d)

Producer

16.

Different species of organisms living together in the same area:

a)

community

b)

population

c)

species

d)

ecosystem

17.
A species living together in one area is called a:
a)
species
b)
community
c)
ecosystem
d)
population
18.

Which of the following best describes the wolf's role in this ecosystem?

a)

primary producer

b)

primary consumer

c)

secondary consumer

d)

top predator

19.
An organism that gets energy from eating other organisms is a ______________.
a)
producer
b)
consumer
c)
decomposer
d)
prey
20.

A connection of food chains with many food energy paths in an ecosystem is a(n) ____________.

a)

ecosystem

b)

food web

c)

environment

d)

population

21.

In this Food Web Pyramid the consumers at the top level only get about _________ of energy that the plants have stored.

a)

0.01%

b)

0.1%

c)

1%

d)

10%

22.
The animals that predators eat
a)
Predators
b)
Consumer
c)
DOODOO
d)
Prey
23.
The arrows in a food chain or web represents what?
a)
They point to the organism that is being eaten.
b)
It shows how sunlight flows within an ecosystem.
c)
They show what direction the energy is flowing between organisms. 
d)
They represent how water is transferred within a habitat.
24.
What does a food web represent?
a)
All connections of energy flow throughout all organisms in a habitat.
b)
The specific ways that mutualism is carried out.
c)
A single pathway or energy flow between organisms. 
d)
How carnivores get their food. 
25.
What is a trophic level?
a)
Each level represented within a food chain or web.
b)
Levels of ecosystems that the world is divided into.
c)
Different levels of nutrients present within an organism.
d)
The levels of sunlight an autotroph needs to survive. 
26.
An energy pyramid represents what?
a)
How much sunlight is available for the ecosystem to use. 
b)
How much energy a particular organism needs. 
c)
How much energy is needed to build a pyramid. 
d)
The amount of energy available to the next 'feeder' in a food web.
27.

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.

28.

The largest group of organisms found in a food web would be _______________ because they have the most energy.

a)

Primary Consumers

b)

Producers

c)

Decomposers

d)

Tertiary Consumers

29.

What may happen if the snowshoe hare was removed from the food web pictured?

a)

The insects in the habitat would decrease right away.

b)

The shrew population would decrease dramatically because it would be the only secondary consumer.

c)

The willow tree population would not change.

d)

The fox population would skyrocket.

30.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
31.
The mouse in this food web would be considered a:
a)
Primary Consumer
b)
Producer
c)
Tertiary Consumer
d)
Secondary Consumer
32.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
33.
Which organism do the owl and the weasel compete for in the food web?
a)
Hawk
b)
Spider
c)
Grasshopper
d)
Shrew
34.
Does this food web have arrows pointing the right way?
a)
Yes
b)
No
35.
Which of the following best describes the small bird in the food web above?
a)
primary and secondary consumer
b)
secondary and tertiary consumer
c)
primary consumer only
d)
secondary consumer only
36.
Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?
a)
There would be a decrease in the small bird population.
b)
There would be a decrease in the grass/flowers population.
c)
There would be a decrease in the mice population.
d)
There would be an increase in the grass/flowers population.
37.
Which organism has the most energy and which organism has the least amount of energy? Choose the best answer. 
a)
mosquito and grass
b)
mouse and grass
c)
grass and owl
d)
grass and small bird
38.
Does this food web have arrows pointing the right way?
a)
yes
b)
no
39.

Wolves do not have predators, because they are at the top of the food chain. They hunt, but do not get hunted. Which part of the food chain would most likely be a wolf?

a)

primary consumer

b)

apex predator

c)

decompser

d)

producer

40.
Cows are herbivores, which means that they eat plants. A cow would be which part of the food chain?
a)
decomposer
b)
producer
c)
secondary consumer
d)
primary consumer
41.
Which organism is the producer?
a)
small fish
b)
penguin
c)
algae/seaweed
d)
killer whale
42.
Which organism is the tertiary consumer in the food chain pictured?
a)
sea lion
b)
killer whale
c)
penguin
d)
small fish
43.
What is the name for the organism that eats the primary consumer?
a)
secondary consumer
b)
tertiary consumer
c)
producer
d)
decomposer
44.
What growth pattern describes a population whose growth rate slows or stops following a period of exponential growth?
a)
logistic growth
b)
population growth
c)
exponential growth
d)
predator-prey cycle
45.
Largest number of individuals of a population that the environment can support...  
a)
carrying capacity
b)
population crash
c)
lag phase
d)
mutualism
46.
Which type of growth is best illustrated by this rabbit population?
a)
exponential
b)
logistic
c)
S-shaped
d)
predator-prey
47.
What point on the graph represents the carrying capacity?
a)
A
b)
B
c)
C
d)
D
48.

When a population grows past the ecosystem's carrying capacity, what happens to the population?

a)

The population continues to grow.

b)

The population starts to die off to return to carrying capacity.

c)

The population will go extinct due to lack of resources.

d)

The population grows then finds a new carrying capacity.

49.
If there is more food than usual in an ecosystem, then the population will mostly likely...
a)
stay the same
b)
decrease
c)
increase
d)
reach carrying capacity
50.
How will competition affect the carrying capacity of an ecosystem for the animal in competition?
a)
Decrease
b)
Increase
c)
Will show not affect
d)
Competition does not exist in nature
51.
In a forest ecosystem, which of the following is the best example of a limiting factor for a rabbit population?
a)
Squirrel Population
b)
Sunlight
c)
Grass available
d)
Rabbits have no limiting factors
52.
Competition, disease, predation, and parasitism are considered ___________ ____________ limiting factors
a)
Density-dependent
b)
Density-independent
53.

Which statement is most accurate based on the graph?

a)

The gazelle and lions do not affect each other

b)

when the lion population increases, so does the gazelle population

c)

When the gazelle population increases, it causes the lion population to also increase

d)

when the gazelle population goes down, the lion population goes up.

54.

Food, water, sunlight, shelter, and space are resources that are called __________.

a)

limiting factors

b)

Biotic factors

c)

non-limiting factors

d)

invisible factors

55.
Natural disasters and weather patterns like earthquakes, floods, and tornadoes, blizzards, and heatwaves are considered ___________ ____________ limiting factors
a)
Density-dependent
b)
Density-independent
56.
Logistic growth is representative of a population in an environment with ________________ resources.
a)
limited
b)
plenty of
c)
no resources 
d)
biotic
57.
What is the term for each step in the transfer of energy and matter within a biological community?
a)
energy path
b)
food web
c)
trophic level
d)
food pyramid
58.

The amount of energy that usually transfers from one trophic level to the next is called the ___________ Rule.

a)

10%

b)

20%

c)

80%

d)

50%

59.
A collection of organisms that make up a community as well as all of the nonliving aspects of the environment.
a)
Population
b)
Community
c)
Habitat
d)
Ecosystem
60.
Organisms that look similar and can produce fertile offspring
a)
Species
b)
Fish
c)
Community
d)
Trees
61.
Different populations living and interacting with each other in the same area
a)
Biome
b)
Ecosystem
c)
Community
d)
Niche
62.
Autotrophs make up the _______ level in all ecosystems.
a)
First
b)
Second
c)
Third
d)
Fourth
63.

Define demography.

a)

The study of how people behave

b)

The study of populations using statistics which allows predictions to be made about how a population will change

c)

The study of living things

d)

The study of graphs about humans

64.
Leaving a country due to war would be__
a)
Immigration
b)
Exitation
c)
Emigration
d)
Deposition
65.
The current world population is above 7 billion.
a)
True
b)
False
66.
Coming to a new country.
a)
Immigration
b)
Emigration
67.

A population pyramid shows...

a)

a graph of age groups and gender

b)

a chart of births and deaths

c)

a graph of gender and births

d)

a chart of age groups and deaths

68.
What historic event is a reason for major population growth in the World?
a)
Revolutionary War
b)
World War II
c)
Industrial Revolution
d)
Neolithic Revolution
69.

The equation for natural population growth rate is____

a)

(Births - Deaths)

b)

(Deaths - Immigration)

c)

(Emigration + Immigration)

d)

(Births + Deaths)

70.

Which of the following is a physical adaptation for the underlined animal?

a)

A snake unhinges its jaw to eat a rabbit it just caught.

b)

A hognose snake rolls over, slows its breathing, and hangs its tongue out to pretend to be dead.

c)

A herd of buffalo encircle their young to protect them from a pack of wolves.

d)

A dung beetle rolls a piece of dung across the desert.

71.
Polar bears have compact ears, a small tail, and thick fur to keep themselves warm. Are these examples of physical (structural) or behavioural adaptations?
a)
Physical
b)
Behavioural
72.
The goal of every species on earth is...
a)
to survive and reproduce 
b)
divide and conquer 
c)
survive and conquer 
d)
reproduce and die 
73.
A trait or behavior that helps organisms survive and reproduce 
a)
multiplication 
b)
revolt
c)
adaptation 
d)
populate 
74.
Lions often hide in the tall grass while stalking their prey.  This is an example of...
a)
camouflage
b)
warning coloration
c)
mimicry
d)
hibernation
75.
Which of these choices is an example of something that is needed for survival?
a)
Adaptation
b)
Food 
c)
Water
d)
All of the above
76.
The ears of this fox are an example of...
a)
A behavioral adaptation
b)
Poor breeding
c)
A physical adaptation
d)
Plastic surgery gone horribly wrong
77.
What would a bird's foot look like if it spent its time in the water?
a)
Sharp talons and claws
b)
Short stubby toes
c)
Webbing between the toes
d)
Long graceful fingers
78.

Cactus has spines instead of leaves. The spines reduces water loss through the stomata. This is an example of a _________ adaptation.

a)

Structural

b)

Behavioral

79.
Which feature helps an animal hide from other animals?
a)
looking like a dangerous animal
b)
being the same color as the place it lives (camoflauge)
c)
having sharp claws or a strong shel
d)
having only a few young and caring for them
80.

What point on the graph represents exponential growth ?

a)

A

b)

B

c)

C

d)

D

81.

Which of these countries has a population that is slowly increasing?

a)

Kenya

b)

United States

c)

Italy

82.

Which of these countries has a population that is decreasing?

a)

Kenya

b)

United States

c)

Italy

83.

Smaller bodied animals have which type of reproductive strategy?

a)

K - selected

b)

r - selected

84.

Large bodied animals have which reproductive strategy?

a)

K - selected

b)

r - selected

85.

Few offspring

a)

K - selected

b)

r - selected

86.

r - selected reproductive strategy

a)

Little parental care

b)

Invest a lot in raising their offspring

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