Quiz about Food Chains & Webs - 5th grade

Question 1

Use the diagram to answer the question.

Susan studies the diagram above.

Which term describes the relationship between the owl and the fox in the diagram?

Accepted Answer

competitors

Answer

collaborators

Answer

decomposers

Answer

producers

Question 2

Use the diagram to answer the question.

Susan studies the diagram above.

Which term describes the rabbit?

Accepted Answer

prey

Answer

consumer

Answer

predator

Answer

producer

Question 3

The diagram represents a food web.

Which animal in the food web will be negatively impacted first if the cricket population decreases?

Accepted Answer

mouse

Answer

deer

Answer

rabbit

Answer

snake

Question 4

The diagram represents a food web.

Which animal will be negatively impacted first if the frog population decreases?

Accepted Answer

owl

Answer

cricket

Answer

deer

Answer

mouse

Question 5

Which is the best example of an organism having a long-term impact on an environment?

Accepted Answer

beavers building a dam

Answer

bears hibernating for the winter

Answer

seasonal migration of birds

Answer

lions hunting other animals

Question 6

In an ecosystem, many organisms have to compete to survive.

Which is an example of living organisms competing to survive?

Accepted Answer

lions and hyenas hunting zebras as food

Answer

insects eating pollen while birds eat insects

Answer

birds building nests in trees and beavers building nests in dams

Answer

bees storing honey in a tree

Question 7

If the wheat plants die, what would happen to the mice population?

Accepted Answer

The mice population would decrease.

Answer

The mice population would increase.

Answer

The mice population would remain about the same.

Answer

The mice population would increase and then decrease.

Question 8

The diagram represents a food web.

Which animal receives the most amount of energy in its diet from the Sun?

Accepted Answer

mouse

Answer

frog

Answer

snake

Answer

hawk

Question 9

Which food chain is in the correct order?

Accepted Answer

grass >> beetle >> frog >> raccoon

Answer

grass >> frog >> beetle >> raccoon

Answer

raccoon >> frog >> beetle >> grass

Answer

frog >> beetle >> grass >> raccoon

Question 10

Which organism would function best in this habitat?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 11

Based on the graph, which conditions most likely existed for the rabbit in 1865?

Accepted Answer

There was plenty of food available, and there were few predators.

Answer

There was little food available, and there were few predators.

Answer

There was plenty of food available, and there were many predators.

Answer

There was little food available, and there were many predators.

Question 12

In a forest ecosystem a hawk is a predator, and its prey is a mouse.

What will most likely happen if the number of hawks declines?

Accepted Answer

The number of mice will increase.

Answer

The number of mice will barely decrease.

Answer

The number of mice will greatly decrease.

Answer

The number of mice will stay the same.

Question 13

Beavers have built a dam from trees they cut down.

In the diagram, what need do the trees provide for the beavers?

Accepted Answer

shelter

Answer

water

Answer

sunlight

Answer

air

Question 14

Alex studied the table and made a prediction about the changing population numbers of various animals in a habitat.

Which statement is the most accurate prediction about the rise in population of rabbits over the last 4 years according to the roles each animal might play in a food chain?

Accepted Answer

The rabbit population increased because the fox population decreased.

Answer

The rabbit population increased because the squirrel population increased.

Answer

The rabbit population increased because the duck population increased.

Answer

The rabbit population increased because the squirrel population decreased.

Question 15

If water were to disappear in an ecosystem, what would be the most likely effect on that ecosystem?

Accepted Answer

Both animals and plants would be unable to survive in the ecosystem.

Answer

Animals would be in competition with each other for food.

Answer

Plants would become consumers of animals.

Answer

Plants would begin producing their own water.

Question 16

Analyze the bar graph.

What is the relationship between the mouse and fox populations?

Accepted Answer

As the mouse population increases, the fox population increases.

Answer

As the mouse population increases, the fox population decreases.

Answer

As the mouse population increases, the fox population stays the same.

Answer

As the mouse population decreases, the fox population increases.

Question 17

Many things can threaten the survival of animal species.

What would be the greatest threat to a large predator like the mountain lion?

Accepted Answer

a decline in large wilderness areas

Answer

a decline in the number of plants

Answer

global climate changes

Answer

a decline in the number of other predators

Question 18

What would probably happen to an ecosystem if a forest was cut down to create a farmland?

Accepted Answer

There would be a decrease in the variety of living organisms.

Answer

There would be an increase in consumers on earth.

Answer

There would be a decrease in average temperature on the forest.

Answer

There would be an increase in the number of living organisms.

Question 19

Both a hawk and an owl have made homes on a large oak tree in the forest. What do you predict will happen?

Accepted Answer

They will compete for food.

Answer

They will share food.

Answer

They will eat different foods.

Answer

They will eat at different times.

Question 20

Which best explains the increase in the number of ducks in Treyburn Park?

Accepted Answer

Foxes decreased, and the ducks had fewer predators, so more ducks survived.

Answer

Squirrels decreased, and the ducks had fewer predators, so more ducks survived.

Answer

Rabbits began to increase and ate more squirrels, so foxes had fewer food sources and left the park.

Answer

Heavy rains in 2010 helped develop another large pond, so the duck habitat was increased and that allowed more ducks to survive.

Question 21

A timber company removed 80% of the trees in a large forested area. Some scientists monitored the population of owls since the removal of the trees.

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 22

Alex studied the table and made a prediction about the changing population numbers of various animals in a habitat.

Which statement is the most accurate prediction about the rise in population of rabbits over the last 4 years according to the roles each animal might play in a food chain?

Accepted Answer

The rabbit population increased because the fox population decreased.

Answer

The rabbit population increased because the squirrel population increased.

Answer

The rabbit population increased because the duck population increased.

Answer

The rabbit population increased because the squirrel population decreased.

Question 23

What will most likely happen when two populations inhabit the same niche?

Accepted Answer

competition

Answer

evolution

Answer

extinction

Answer

over population

Question 24

Some spiders capture insects in their webs and consume them.

If the insect population decreased significantly, what would happen to the spider population?

Accepted Answer

The spider population would decrease because of the reduction of one of its major sources of food.

Answer

The spider population would increase because the insects would not damage their webs as much, and spiders would use less energy to produce new webs.

Answer

The spider population would remain about the same because the spider would find new sources of food.

Answer

The spider population would increase because it would begin to eat larger species of animals which would supply more food.

Question 25

How is most of the growth beneath the trees of very old, thick forests prevented?

Accepted Answer

The thick canopy of the trees prevents most all of the sunlight from reaching the ground.

Answer

The thick root systems of the trees consume most of the water and soil nutrients.

Answer

The thick canopy of the leaves prevents most all the water from reaching the ground.

Answer

The thick canopy of leaves makes the forest floor very cold and prevents seeds from growing.

Question 26

The Grey Squirrel makes its home in the forest trees.

If these forest trees are cut down, what might happen to the Grey Squirrel?

Accepted Answer

The population of Grey Squirrels will decline because the habitats will shrink.

Answer

The population of Grey Squirrels will not be impacted because they will adapt quickly to the new ecosystem.

Answer

The population of Grey Squirrels will increase because more food will be available from the ground.

Answer

The population of Grey Squirrels will increase because they will move to a new ecosystem.

Question 27

Interdependence between living and nonliving things occurs in an ecosystem.

Which example illustrates this relationship?

Accepted Answer

a hermit crab moving into a larger shell abandoned by another crab

Answer

a barnacle living on a whale

Answer

a cleaner fish eating bits of food out of a shark's teeth

Answer

a large fish eating a small fish

Question 28

If there were no decomposers in the ecosystem, what would happen?

Accepted Answer

The nutrients in the ecosystem would decrease.

Answer

An animal would become a decomposer.

Answer

Plants would become decomposers.

Answer

The ecosystem would experience no changes.

Question 29

Eagles and owls both eat frogs.

Which statement best describes how eagle and owl populations can both survive in the same ecosystem?

Accepted Answer

Eagles and owls inhabit different niches.

Answer

Both eagles and owls are also plant eaters.

Answer

Both eagles and owls eat at the same time of the day.

Answer

Eagles and owls compete with each other.

Question 30

If the sunlight stopped shining on the ecosystem, what would most likely happen after one month?

Accepted Answer

Everything would die.

Answer

Everything would continue to grow.

Answer

The fish would die, but everything else would continue to grow.

Answer

The green plants would die, but everything else would continue to grow.

Food Chains & Webs - 5th grade

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