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Unit 2 Science Review

Total questions: 21

Worksheet time: 16mins

Name
Class
Date
1.

Which living thing is a producer?

a)

plankton

b)

animals

c)

plants

d)

bacteria

2.

Why are producers always the first organism in a food chain?

a)

They provide the energy for other living things.

b)

They are the smartest.

c)

They do not move, so they can't escape from another living thing.

d)

They're plants. Animals should be first.

3.

Does a consumer make their own food?

a)

Yes

b)

No

4.

Why are producers always the first organism in a food chain?

a)

They provide the energy for other living things.

b)

They are the smartest.

c)

They do not move, so they can't escape from another living thing.

d)

They're plants. Animals should be first.

5.

There are three types of consumers. What are they? Click on all three.

a)

herbivore

b)

spores

c)

carnivores

d)

omnivores

6.

Where do the energy that starts the food chain come from?

a)

plants

b)

sun

c)

air

d)

water

7.
Which of the following organisms is able to produce its own food?
a)
bear
b)
turtle
c)
trees
d)
deer
8.
Which of these is the source of energy for berries, fruits, and nuts?
a)
air
b)
soil
c)
water
d)
sunlight
9.
Which of the following involves energy moving from a producer to a consumer?
a)
from grasshopper to lizard
b)
from lizard to snake
c)
from maize to grasshopper
d)
from snake to maize
10.
A food chain is made up of carrots, rabbits, foxes, and lions. Which of the following is the original source of energy for all of the organisms in the food chain?
a)
air
b)
ice
c)
water
d)
sunlight
11.

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

12.
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
13.
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
14.
An animal that eats other animals is a....
a)
carnivore
b)
omnivore
c)
herbivore
d)
decomposer
15.

An example of a predator:

a)

shark

b)

mouse

c)

rabbit

16.

An example of prey:

a)

lion

b)

mouse

c)

shark

17.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
18.
What are animals called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Plants
19.
What are plants called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Scavengers
20.
Which of these organisms would receive energy from the snake?
a)
Plant
b)
Rabbit
c)
Mouse
d)
Hawk
21.

Which choice below shows the correct order of a food chain?

a)

sun -> rabbit -> tomato plant -. decomposer -> hawk

b)

tomato plant -> decomposer -> sun -> rabbit -> hawk

c)

sun -> tomato plant -> rabbit -> hawk -> decomposer