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Energy Flow through the Ecosystem

Total questions: 19

Worksheet time: 10mins

Name
Class
Date
1.

Which of the following best describes an herbivore?

a)

Primary Consumer

b)

Secondary Consumer

c)

Tertiary Consumer

2.

The process by which cells break down carbohydrates to produce energy is...

a)

Photosynthesis

b)

Cellular Respiration

c)

Biotic Factor

d)

Abiotic Factor

3.

Which of the following organisms would be found at the top of an energy pyramid?

a)

Plankton

b)

Silverfish

c)

Krill

d)

Leopard Seal

e)

Orca

4.

Where is most of the energy in an energy pyramid?

a)

At the top

b)

At the bottom

c)

In the middle

5.

Where is the least amount of the energy in an energy pyramid?

a)

At the top

b)

At the bottom

c)

In the middle

6.

The straight pathway in which energy is transferred from one organism to the next as each organism eats another. 

a)

Energy pyramid

b)

Food web

c)

Food chain

7.

Each stop through which energy is transferred in a food chain is known as a __________

a)

ecosystem

b)

food chain

c)

trophic level

d)

energy pyramid

8.

This is where organisms interact with living and nonliving things.  

a)

habitat

b)

ecosystem

c)

neighborhood

d)

school

9.

This shows all the feeding relationships in a habitat or ecosystem.

a)

habitat

b)

ecosystem

c)

food web

d)

food chain

10.

Different types of year, marked by specific daylight and weather

a)

seasons

b)

ecosystem

c)

food web

d)

food chain

11.

Carnivores who feed on herbivores are _____________

a)

tertiary consumer

b)

primary consumers

c)

secondary consumers

12.

The organisms who eat secondary consumers are ___

a)

tertiary consumer

b)

primary consumers

c)

secondary consumers

13.

Organisms who go through photosynthesis are called ______?

a)

Producer

b)

Consumer

c)

Decomposer

14.

Which of the following statements is NOT true of consumers?

a)

They get energy indirectly from the sun

b)

They are also called heterotrophs

c)

They make their own food

d)

They sometimes eat other consumers.

15.

Which of the following is correctly arranged from the lowest trophic level to the highest trophic level?

a)

bacteria, frog, eagle, raccoon

b)

algae, deer, wolf, hawk

c)

grass, mouse, snake, eagle

d)

grass, bass, minnow, snake

16.

Which of the following  organisms probably belong to the same trophic level?

a)

humans and bears

b)

bears and deer

c)

humans and cows

17.

Only about 10% of the energy that an organism contains is transferred to the next trophic level when the organism is eaten. How much energy is left for the top predator?

a)

90%

b)

10%

c)

0.1%

d)

1%

18.

Order the food chain

a)

Sun

b)

Grass

c)

Grasshopper

d)

Frog

e)

Hawk

1)
2)
3)
4)
5)
19.

Match the following

a)
1.

Producer

b)
2.

Sun

c)
3.

Herbivore

d)
4.

Carnivore

e)
5.

Decomposer