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Energy Flow in Ecosystems

Total questions: 26

Worksheet time: 52mins

Name
Class
Date
1.

Select the different energy roles in the ecosystem. There may be more than one.

a)

producer

b)

consumer

c)

decomposer

d)

composer

e)

stargazer

2.

Complete the food chain: Mangoes --> Fruit Fly --> (a)   -->Eagle

3.

The pattern of overlapping food chains in an ecosystem is a food _

(a)  

4.

In the food chain below, which is the secondary consumer?


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

a)

grass

b)

mouse

c)

snake

d)

hawk

5.

Which of the following is a producer?

a)

Butterfly

b)

Grasshoppers

c)

Lavender plants

d)

Thrush - bird

6.
Which type of consumer eats meat and plants?
a)
Herbivores
b)
Carnivores
c)
Omnivores
d)
Plants
7.
The image provided is an example of a(n):
a)
Autotroph
b)
Carnivore
c)
Herbivore
d)
Decomposer
8.

This picture shows a __________________.

a)

food web

b)

food chain

c)

family

d)

zoo

9.

What is this an example of?

a)

Food chain

b)

Food web

c)

Energy pyramid

d)

Energy web

10.
What is the role of a producer?
a)
Use sunlight to make food
b)
Gain energy from eating other organisms
c)
Keep other species from overpopulating
d)
Breaking down dead stuff 
11.

A ______________________ breaks down dead waste and dead organisms, then releases them into the air, soil and water so the nutrients can be used by other living things.

a)

carnivore

b)

herbivore

c)

omnivore

d)

decomposer

12.

An __________________________ only eats plants.

a)

carnivore

b)

omnivore

c)

herbivore

d)

decomposer

13.

Organisms that obtain energy by feeding on other organisms

a)

Producer

b)

Consumer

c)

Decomposer

14.

Complete the food chain: Corn --> Grasshopper --> Rat --> (a)  

15.

TRUE OR FALSE: Energy doesn't disappear, it just changes from 1 form to another as it passes through an ecosystem

a)

True

b)

False

16.

In the food web above, what eats the rabbit?

a)

Fox

b)

Hawk

c)

Vole

d)

Grass

17.

What is the primary source of energy for the ecosystem pictured above?

a)

Grass and Green plants

b)

Hawks and Deer

c)

Tadpoles and Fish

d)

Sun

18.

An organism that obtains energy from feeding on another organism

a)

consumer

b)

producer

c)

decomposer

d)

omnivore

19.

A series of events in which one organism eats another and obtains energy

a)

food web

b)

food chain

c)

consumer

d)

decomposer

20.

the amount of energy that moves from one feeding level to another in a food web

a)

energy pyramid

b)

food web

c)

food chain

d)

consumer

21.

This picture shows a ___________.

a)

food web

b)

food chain

c)

family

d)

zoo

22.

A raccoon eats plants and animals. It is an example of a(n)

a)

omnivore

b)

carnivore

c)

herbivore

d)

decomposer

23.

The first organism in a food chain must always be a ____________.

a)

producer

b)

consumer

c)

decomposer

24.
Which organism recieves the least amount of energy from the producer?
a)
Owl
b)
Grasshopper
c)
Lilypad
d)
Mouse
25.

A consumer that eats only animals

a)

omnivore

b)

producer

c)

herbivore

d)

carnivore

26.

Consumers that feed on the bodies of dead organisms

a)

Carnivores

b)

Omnivores

c)

Herbivores

d)

Scavengers