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Unit 4 Ecosystems & their Interactions-Grade 3

Total questions: 27

Worksheet time: 16mins

Name
Class
Date
1.

What is an ecosystem?

a)

Everything that surrounds a living thing

b)

all of the living and nonliving things in a place.

c)

the physical space where a plant or animal lives.

d)

all of one kind of organism living in a spacde

2.

What do we call everything that surrounds a living thing?

a)

Population

b)

Biotic

c)

Environment

d)

Predator

3.

Sea anemones, sea stars, and mussels live in tide pools. They all share the same resources. We call this area their _________.

a)

Prey

b)

Carnivore

c)

Habitat

d)

Population

4.

All of the wolves in Yellowstone National Park make up a wolf _______________. All of the same kind of organism living in the same area.

a)

population

b)

community

c)

prey

d)

consumer

5.

When all of the living things in an area live and interact together to survive, we call this their _______________.

a)

Population

b)

Community

c)

Consumer

d)

Producer

6.

Anything labeled as "biotic" in an ecosystem is?

a)

Living

b)

Non-Living

7.

Anything that is labeled "abiotic" in a community is called _____________.

a)

Living

b)

Non-Living

8.

A producer is any living thing that makes its own food. Check all the producers listed below.

a)

Oak Tree

b)

Kelp

c)

Box Turtle

d)

Poison Ivy

9.

A consumer is any living thing that consumes, or eats, other things for nutrition. check off any that fit into that category

a)

Daffodils

b)

Shrimp

c)

Mold on bread

d)

Lions

10.

A decomposer breaks down dead organisms for food. Check off all of the decomposers listed below.

a)

Owls

b)

Earthworms

c)

bacteria

d)

raccoons

11.

What are the three types of consumers?

a)

Carnivores

b)

Omnivores

c)

Producers

d)

Herbivores

12.

What do we call the process by which producers make their own food?

a)

Photocopy

b)

Photography

c)

Photosynthesis

d)

Phonograph

13.

The process of photosynthesis requires three things to interact. Check all that apply.

a)

Sunlight

b)

Plants

c)

water

d)

carbon dioxide

14.

During photosynthesis a plant uses the energy it gets from what source?

(a)  

15.

What do plants "give off" during photosynthesis?

a)

carbon dioxide

b)

oxygen

16.

What do plants "take in" during photosynthesis?

a)

Oxygen

b)

Carbon dioxide

c)

lemonade

17.

What is a food chain?

a)

the path of food from one living thing to another.

b)

An animal that eats another living thing.

c)

A living thing that makes its own food

d)

The path an animal follows in the woods.

18.

The food chain requires 3 types of living organisms. Check off those three.

a)

Growth mindset

b)

Prey

c)

predator

d)

producer

19.

What is the beginning of all food chains?

a)

Producer

b)

Consumer

c)

Population

d)

Ecosystem

20.

An animal that hunts other animals is called?

a)

Preying mantis

b)

Premonition

c)

Predator

d)

Prey

21.

An animal that is hunted for food is called?

a)

Property

b)

Prey

c)

Predator

d)

producer

22.

Prey for one animal may be a predator of another animal.

a)

True

b)

False

23.

What do we call it when small pieces of rock are carried away by water and sometimes wind?

a)

Drought

b)

Flood

c)

Tsunami

d)

Erosion

24.

When a large amount of water covers normally dry land it is called a?

a)

Drought

b)

puddle

c)

Flood

d)

erosion

25.

When it doesn't rain for a very long time it can cause a?

a)

Flood

b)

Drought

c)

Hurricane

d)

Erosion

26.

What do all living things need?

a)

Air

b)

Shelter

c)

Sunlight/energy/

heat

d)

Food/water

27.

Animals can make changes to their environments. Beavers build dams, termites build mounds, and humans move dirt.

a)

True

b)

False