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Energy in the Ecosystem

Total questions: 44

Worksheet time: 48mins

Name
Class
Date
1.
In the energy pyramid here, which organisms have the most energy available?
a)
Producers
b)
Carnivores
c)
Herbivores
d)
Top Predator
2.
In the energy pyramid below, which organism has the least amount of energy available?
a)
Producers
b)
Herbivores
c)
Carnivores
d)
Top Predator
3.
This diagram shows the amount of energy that moves from one feeding level to another in a food web.
a)
Energy Pyramid
b)
Food Web
c)
Ecosystem
d)
Food Chain
4.
The diagram represents a pyramid of energy in an ecosystem.  Which level would most likely contain members of the plant kingdom?
a)
A
b)
B
c)
C
d)
D
5.
Which organism recieves the least amount of energy from the producer?
a)
Owl
b)
Grasshopper
c)
Lilypad
d)
Mouse
6.
Which level will contain plants?
a)
A
b)
B
c)
C
d)
D
7.
The largest group of organisms found in a food web would be:
a)
Primary Consumers
b)
Producers
c)
Decomposers
d)
Tertiary Consumers
8.
Where do producers get their energy? 
a)
soil
b)
decomposers
c)
sun
d)
garbage
9.
An organism that needs to eat other organisms to obtain energy is known as a:
a)
Autotroph
b)
Producer
c)
Consumer
d)
Mutualist
10.
The arrows in a food chain or web represents what?
a)
They point to the organism that is being eaten.
b)
It shows how sunlight flows within an ecosystem.
c)
They show what direction the energy is flowing between organisms. 
d)
They represent how water is transferred within a habitat.
11.
A MUSHROOM is a
a)
Herbivore
b)
Carnivore
c)
Omnivore
d)
Decomposer
12.
Which is the PRODUCER?
a)
Lettuce
b)
Slug
c)
Bird
d)
Cat
13.

What is a food chain?

a)

The flow of energy from one thing to another

b)

The way animals eat each other

c)

The way the sun makes everything

d)

How the plants grow

14.
What is a producer? 
a)
Organism that creates their own food.
b)
Organism that eat other organisms for energy
c)
Organism that eat other dead organisms
15.
What is a consumer? 
a)
Organism that creates their own food.
b)
Organism that eat other organisms for energy
c)
Organism that eat other dead organisms
16.
An animal that eats other animals is a....
a)
carnivore
b)
omnivore
c)
herbivore
d)
decomposer
17.
What animal is on the top of the food chain? 
*Remember Humans are on the top of all food chains because we do not get hunted. 
a)
Grass
b)
Grasshopper
c)
Mouse
d)
Owl
18.

An example of a predator:

a)

shark

b)

mouse

c)

rabbit

19.

An example of prey:

a)

lion

b)

mouse

c)

shark

20.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
21.

What is a decomposer?

a)
b)
c)
d)
22.
What are animals called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Plants
23.
What are plants called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Scavengers
24.
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 
25.
Which of these organisms would receive energy from the snake?
a)
Plant
b)
Rabbit
c)
Mouse
d)
Hawk
26.
True/False
Food webs show you everything an animal eats. Food chains show you one thing.
a)
True
b)
False
27.
Which of these is true about this food web?
a)
The Owl gets its energy from the producer.
b)
The Lion gets its energy only from a wild cat.
c)
The Kite gets its energy from the goat.
d)
The Mouse is most likely to die, several ways.
28.

The original source of energy for a food web is...

a)

plants

b)

sun

c)

producers

d)

decomposers

29.

Decomposers get energy from...

a)

the sun

b)

eating plants

c)

eating animals

d)

dead things and waste

30.

Producers are ...

a)

plants

b)

able to do photosynthesis

c)

also called autotrophs

d)

all of these are true

31.

Arrows in a food web represent...

a)

eating

b)

sunlight

c)

energy

d)

matter

32.

Photosynthesis is important because...

a)

it makes carbon dioxide

b)

it makes food for the food webs

c)

it makes water

d)

it's not important

33.

Who is the producer?

a)

lettuce

b)

greenfly

c)

ladybird

d)

thrush

34.

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

a)

producer

b)

consumer

c)

decomposer

35.

A connection of food chains with many food energy paths in an ecosystem is a ____________

a)

ecosystem

b)

food web

c)

environment

36.

An animal that is hunted and eaten for food is a

a)

predator

b)

prey

37.

Which of the following is NOT a consumer

a)

grass

b)

dog

c)

shark

d)

fish

38.

Which of the following is a living part of the ecosystem?

a)

Air

b)

Sunlight

c)

Mushroom

d)

Soil

39.
Use the diagram answer the question.
What is a fitting description for this diagram?
a)
A Food Chain
b)
An Ecosystem
c)
A Food Web
d)
Biotic and Abiotic Factors
40.
Use the diagram to answer the question.
The Mayfly is a food source for which 3 organisms?
a)
Frog, Dragon Fly and snake
b)
Frog, trout and dragon fly
c)
Frog, salamander and trout
d)
Frog and phytoplankton
41.
What is the best explanation for an energy pyramid?
a)
It shows the FLOW of energy from one organism to the next. 
b)
It shows HOW much energy flows through a food web
c)
It shows the MEMBERS in a single organism
42.
True or False. In this Food Web Pyramid the consumers on each level only get about 10 percent of energy that the plants have stored.
a)
True
b)
False
43.
In this Food Web Pyramid what is the proper name for the organisms above the producer level at the bottom.
a)
herbivores
b)
consumers
c)
carnivores 
d)
omnivores
44.
The snake and the frog, are all examples of which type of consumers on this food pyramid?
a)
decomposers
b)
omnivores
c)
carnivore
d)
herbivore

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