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Food Web Test Prep Task Cards

Last updated 9 months ago

20 questions

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Question 1

1.

A partial forest food web is shown.

What role do bobcats play in a forest food web?

Bobcats are predators of grasses and berries.

Bobcats are consumers of marmots and grouses.

Bobcats break down dead plants and animals and return nutrients to the soil.

Bobcats produce their own energy.

Question 2

2.

A wetlands food chain is shown below.

Sun → duckweed → minnow → crayfish → raccoon

Which table shows the correct role of each organism?

Question 3

3.

A partial desert food web is shown.

Which type of organism is missing from this food web?

Producer

Decomposer

Predator

Consumer

Question 4

4.

A partial rain forest food web is shown.

How many types of organisms in this food web obtain energy directly from producers?

One

Two

Three

Four

Question 5

5.

A partial forest food web is shown.

Which organism’s population could increase if skunks were removed from the ecosystem?

Hawk

Owl

Bobcat

Caterpillar

Question 6

6.

A partial hedgerow food web is shown.

Which table shows the correct role of organisms in the food web?

Question 7

7.

In any ecosystem, organisms die at the end of their life cycle.

How is matter cycled in an ecosystem once an organism dies?

Consumers break down dead organisms to give nutrients to producers.

Producers break down dead organisms to give nutrients to consumers.

Organisms slowly evaporate into the atmosphere after dying.

Decomposers break down dead organisms to give nutrients to producers.

Question 8

8.

A partial tundra food web is shown.

Based on the information in the food web, which of the following food chains shows one way energy flows in this ecosystem?

Arctic wolf → muskox → lichen

Lichen → Arctic hare → muskox

Lichen → lemming → ermine → Arctic fox

Lichen → lemming → Arctic hare → Arctic fox

Question 9

9.

A partial forest food web is shown.

Which statement does NOT correctly describe a way that matter is cycled in this ecosystem?

Bears breathe in oxygen that is released from berries and grasses.

Bobcats breathe in carbon dioxide from marmots.

Grasses take in carbon dioxide from elk.

Berries and grasses take in carbon dioxide from bobcats.

Question 10

10.

The table below lists some of the types of animals that live in an ecosystem and what they eat.

Based on the information in the table, which of the following food chains shows one way energy flows in this ecosystem?

Leaves → caterpillars → raccoons → vultures

Leaves → slugs → caterpillars

Leaves → slugs → owls

Owls → raccoons → berries

Question 11

11.

A partial food web is shown.

What change could occur in this ecosystem if all of the plants and fruits were diseased and died?

The number of consumers would decrease since less food is available.

Only the owls would perish.

No organisms would be affected.

The number of consumers would increase since more food is available.

Question 12

12.

A partial rain forest food web is shown.

Which organisms in this food web eat only consumers?

Spider monkey and butterfly only

Jaguar, carcara, spider and poison dart frog only

Spider, poison dart frog, and butterfly only

Poison dart frog and jaguar only

Question 13

13.

The diets of some forest animals are described in the table below.

Which would NOT occur in this ecosystem if opossums and raccoons were removed?

An increase in the caterpillar population

More leaves being eaten by caterpillars

A decrease in the owl population

A decrease in the caterpillar population

Question 14

14.

The table describes the energy sources for four unidentified organisms.

Which statement correctly identifies the roles of the organisms?

Organisms 3 and 4 are producers.

Organisms 1 and 2 are decomposers.

Organisms 2 and 3 are producers.

Organisms 1 and 3 are consumers.

Question 15

15.

The table describes the energy sources for four unknown organisms.

Which table correctly identifies the roles of the organisms?

Question 16

16.

A partial forest food web is shown.

Which of the following could be a reason that there is a decrease of bobcats in this forest?

A decrease of hawks

An increase of owls

A decrease of turkeys and squirrels

An increase of producers

Question 17

17.

The diets of some forest animals are described in the table below.

How many types of animals in this food web obtain energy directly from at least one producer?

Four

Three

Two

One

Question 18

18.

A partial food web of organisms who live in and around the Amazon River is shown.

Which change would most likely occur if all the producers in this ecosystem were removed?

The producers would move to a new location.

The populations of consumers would increase.

The populations of consumers would decrease.

Pacus would become producers.

Question 19

19.

A partial food web of organisms who live in and around the Amazon River is shown.

If a large number of Capybaras were introduced into the area, which of the following would NOT occur?

Caimans would have more food available.

Pacus would soon have less food available.

Anacondas would have less food available.

The number of water plants could decrease.

Question 20

20.

Partial Desert Food Web

Which organisms do NOT directly consume another organism for energy?

Cacti and seeds

Kangaroo rats and crickets

Gila monsters and desert tortoises

Ravens and quails