Quiz about Food Chains, Webs, and Trophic Levels

Question 1

An example of a decomposer is a _______.

Accepted Answer

worm

Answer

butterfly

Answer

bear

Answer

plant

Question 2

Plants are considered _________ because they make their own food.

Accepted Answer

producers

Answer

consumers

Answer

makers

Answer

decomposers

Question 3

These organisms break down dead things.

Accepted Answer

Decomposers

Answer

Consumers

Answer

Producers

Answer

Rotters

Question 4

This is the chemical process by which plants make their own food.

Accepted Answer

Photosynthesis

Answer

Cellular respiration

Answer

Combustion

Answer

Electrolysis

Question 5

The overlapping of food chains results in a ________.

Accepted Answer

food web

Answer

woven chain

Answer

braided chain

Answer

food nest

Question 6

This is the ultimate source of energy on Earth.

Accepted Answer

The sun

Answer

Heat

Answer

Fire

Answer

Electricity

Question 7

A grasshopper that eats the seeds of a plant is considered to be a _____________.

Accepted Answer

consumer

Answer

producer

Answer

decomposer

Answer

predator

Question 8

Where do animals get their energy?

Accepted Answer

by eating plants

Accepted Answer

by eating other animals

Answer

from the sun

Answer

from nutrients in the ground

Question 9

Where do crickets get their energy?

Accepted Answer

Cattails

Answer

Marsh Grass

Answer

Grasshoppers

Answer

Shrews

Question 10

What is the fruit fly's highest trophic level?

Accepted Answer

Primary

Answer

Secondary

Answer

Tertiary

Answer

Quaternary

Question 11

What organisms are at the bottom of an energy pyramid?

Accepted Answer

Producer

Answer

Consumer

Answer

Decomposer

Answer

Scavenger

Question 12

In the food chain below, which is the producer?

grass --> mouse --> snake --> hawk

Accepted Answer

grass

Answer

mouse

Answer

snake

Answer

hawk

Question 13

One food chain in an ecosystem might be grass, a mouse, a snake and a hawk. Which one is the producer?

Accepted Answer

Grass

Answer

Mouse

Answer

Snake

Answer

Hawk

Question 14

The diagram shows a food web for an ocean ecosystem.

How would an increasing shark population most likely affect this ecosystem?

Accepted Answer

The octopus population would decrease.

Answer

The algae population would decrease.

Answer

The limpet population would decrease.

Answer

The seagull population would decrease.

Question 15

This term describes the order in which matter and energy move through an ecosystem:

Accepted Answer

food chain

Answer

photosynthesis

Answer

producer

Answer

tertiary

Question 16

Examine the energy pyramid. Which organism best represents a secondary consumer?

Accepted Answer

snake

Answer

grass

Answer

rabbit

Answer

eagle

Question 17

Food chains in an ecosystem overlap to form:

Accepted Answer

food webs

Answer

bacteria and decomposers

Answer

nutrient cycling

Answer

photosynthesis

Question 18

What is your role in an ecosystem?

Accepted Answer

consumer

Answer

producer

Answer

decomposer

Answer

answer not listed

Question 19

A forest ecosystem food web is shown below. If additional wrens (small birds) are introduced into this ecosystem, there will most likely be an immediate decrease in the

Accepted Answer

grasshopper population

Answer

frog population

Answer

snake population

Answer

falcon population

Question 20

The picture below shows an energy pyramid. What will most likely happen to the foxes and the wolves if the rabbits are removed?

Accepted Answer

There will be fewer foxes and wolves.

Answer

The foxes will eat more wolves.

Answer

The foxes will eat fewer wolves.

Answer

There will be more foxes and wolves.

Question 21

The picture below shows an ocean bay food chain.Sea otters move into the ocean bay. They eat all the sea urchins. This change will cause the

Accepted Answer

sea ducks to have less food

Answer

kelp to have less food.

Answer

crabs to have more food

Answer

arctic faxes to have more food

Question 22

A marine food web is shown below. Which chart correctly shows three of the organisms according to their roles in cycling matter in the marine food web?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 23

The picture below shows the energy flow through a meadow community. Which of the following would most likely occur to the populations within the community of organisms immediately after a wildfire burns the environment?

Accepted Answer

Meadow plants would decrease and rabbits would decrease

Answer

Hawks would increase and foxes would increase

Answer

Hawks would decrease and foxes would increase

Answer

Meadow plants would increase and rabbits would decrease

Question 24

The diagram below shows a simple food web. Which animal is classified as an omnivore?

Accepted Answer

black bear

Answer

red fox

Answer

deer

Answer

rabbit

Question 25

The diagram below shows a marine food chain. The zooplankton in this food chain are

Accepted Answer

primary consumer

Answer

primary producer

Answer

secondary consumer

Answer

tertiary (third) consumer

Question 26

A food web diagram is provided. Based on the diagram, which three consumers all get their energy directly from the same producer?

Accepted Answer

Squirrel, robin, and field mouse

Answer

Plant seeds, field mouse, and snake

Answer

Prairie grass, deer, and mountain lion

Answer

Squirrel, deer, and mountain lion

Question 27

The diagram shows part of an ocean food web. Which statements are true about this food web?

Accepted Answer

The kingfisher receives its energy from the blue crab and the striped bass.

Accepted Answer

The arrows show the flow of energy from one organism to another.

Answer

The arrows show how one organism changes to another.

Answer

The blue crab provides energy for the shrimp.

Answer

Producers, like shrimp, are organisms that depend on other organisms for food.

Question 28

Look at the image. Name the producers.

Accepted Answer

Plants

Answer

Mushroom

Answer

Plants and Mushroom

Answer

Mouse, Owl, Snake, Fox, and Hawk

Question 29

Look at the image. Name the Decomposer.

Accepted Answer

Mushroom

Answer

Plants and Mushroom

Answer

Plants

Answer

Mouse, Owl, Snake, Fox, and Hawk

Question 30

Look at the image. Name the Consumers.

Accepted Answer

Mouse, Owl, Snake, Fox, and Hawk

Answer

Mushroom

Answer

Plants and Mushroom

Answer

Plants

Question 31

In a food web the arrow always points to

Accepted Answer

the consumer

Answer

the prey

Answer

producer

Answer

autotroph

Question 32

An organism that gets energy from eating other organisms is a ______________

Accepted Answer

consumer

Answer

producer

Answer

decomposer

Answer

prey

Question 33

Elephants only eat leaves, fruit, nuts and grass. They are called __________.

Accepted Answer

Herbivore

Answer

Omnivore

Answer

Fortivore

Answer

Carnivore

Question 34

__________ is an organism that eats BOTH plants and animals for energy.

Accepted Answer

Omnivore

Answer

Darnivore

Answer

Carnivore

Answer

Herbiovre

Question 35

In the energy pyramid here, which organisms have the most energy available?

Accepted Answer

Producers

Answer

Carnivores

Answer

Herbivores

Answer

Top Predator

Question 36

In this food web, the berries would be a _________.

Accepted Answer

Producer

Answer

Primary Consumer

Answer

Secondary Consumer

Answer

Tertiary Consumer

Question 37

In this food web, the bird would be a _________ and a _________.

Accepted Answer

Primary Consumer

Accepted Answer

Tertiary Consumer

Answer

Producer

Answer

Secondary Consumer

Question 38

Which student's model best represents available energy at each level of the food web and how it is transferred?

Accepted Answer

Britta

Answer

Shirley

Answer

Abed

Answer

Troy

Question 39

In a predator-prey relationship, which of the following is the predator?

Accepted Answer

Owl

Answer

Mouse

Answer

Grasshopper

Answer

Leaf

Food Chains, Webs, and Trophic Levels

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