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Open Scied Food Chains and Food Webs

Last updated about 2 years ago

20 Nsɛmmisa

2

Asemmisa {{asɛmmisaAhyɛnsode}}

20.

The partial food web below shows five different organisms that are found in a prairie ecosystem.
Using only the organisms from this food web, describe one change in this prairie ecosystem that would result in a decrease in the grasshopper population. Explain the reasoning for your answer.

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Asemmisa {{asɛmmisaAhyɛnsode}}

5.

What tropic level do carnivores belong to?

first level

second level

third level

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Asemmisa {{asɛmmisaAhyɛnsode}}

6.

What is the relationship between mice and owls?

competition

predator/prey

mutualism

parasitism

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Asemmisa {{asɛmmisaAhyɛnsode}}

9.

According to the food web, what do foxes eat. Click all that apply?

grasshoppers

rabbits

owls

mice

birds

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Asemmisa {{asɛmmisaAhyɛnsode}}

17.

What is the ecological relationship between the falcon and the snake?

predator/prey

commensalism

competition

mutualism

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Asemmisa {{asɛmmisaAhyɛnsode}}

1.

Click on all the organisms that are producers.

Foxes

Rabbits

Carrots

Owls

Mice

Grass

Grasshoppers

Grains

Asemmisa {{asɛmmisaAhyɛnsode}}

2.

Click on the organisms that are primary consumers

Foxes

Rabbits

Carrots

Owls

Mice

Grass

Grasshoppers

Grains

Asemmisa {{asɛmmisaAhyɛnsode}}

3.

Click on the organisms that are secondary consumers

Foxes

Rabbits

Carrots

Owls

Mice

Grass

Grasshoppers

Grains

Asemmisa {{asɛmmisaAhyɛnsode}}

4.

What tropic level do herbivores belong to?

first level

second level

third level

fourth level

Asemmisa {{asɛmmisaAhyɛnsode}}

7.

According to the food web what do rabbits eat? Click all that apply

grasshoppers

carrots

foxes

grasses

grains

Asemmisa {{asɛmmisaAhyɛnsode}}

8.

According to the food web what organisms eat grain? Click all that apply

grasshoppers

birds

owls

mice

rabbits

Asemmisa {{asɛmmisaAhyɛnsode}}

10.

In the food chain:
grains--> mice--> owl
Grains contain 1000 joules of energy. How much energy will the mice get?

1000

100

10

1

Asemmisa {{asɛmmisaAhyɛnsode}}

11.

If grasshoppers were removed from the environment, why might the mice population decrease?

A. The mice have more grass and grains to eat

B. The mice are now the only prey of the owls

C. The number of foxes have increased due to immigration

D. Owls were removed from the ecoystem so now mice have no predators

Asemmisa {{asɛmmisaAhyɛnsode}}

12.

In the food chain, a squirrel is

producer

primary consumer

secondary consumer

top carnivore

Asemmisa {{asɛmmisaAhyɛnsode}}

13.

In the food chain, a wren is

producer

primary consumer

secondary consumer

top carnivore

Asemmisa {{asɛmmisaAhyɛnsode}}

14.

In the food web, the praying mantis is a

an autotroph

herbivore

carnivore

omnivore

Asemmisa {{asɛmmisaAhyɛnsode}}

15.

In the food chain, a snake is a

producer

primary consumer

secondary consumer

top carnivore

Asemmisa {{asɛmmisaAhyɛnsode}}

16.

In the food web, the frog is a

A. producer

B. herbivore

C. carnivore

D. decomposer

Asemmisa {{asɛmmisaAhyɛnsode}}

18.

What is the ecological relationship between the wren and the praying mantis?

predator/prey

commensalism

competition

mutualism

Asemmisa {{asɛmmisaAhyɛnsode}}

19.

If squirrels are removed from the food web, what will happen to the foxes?

the foxes will increase

the foxes will decrease

nothing will happen