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Chapter 3 Ecosystems

Total questions: 50

Worksheet time: 31mins

Name
Class
Date
1.

All living and nonliving things that exist and interact in one place.

a)

abiotic factor

b)

adaptation

c)

ecosystem

d)

decomposer

2.

An organism that makes its own food

a)

consumer

b)

producer

c)

carnivore

d)

ecosystem

3.

An organism that eats other living things to get energy

a)

consumer

b)

decomposer

c)

population

d)

food web

4.

An organism that breaks down the remains of dead animals

a)

decomposer

b)

food chain

c)

adaptation

d)

herbivore

5.

A living part of an ecosystem, including plants, animals, and fungi

a)

abiotic factors

b)

biotic factors

c)

population

d)

community

6.

A nonliving part of an ecosystem, including soil, water, temperature, and climate

a)

abiotic factors

b)

ecosystem

c)

consumer

d)

adaptation

7.

All the populations in an ecosystem form a

a)

decomposer

b)

population

c)

community

d)

adaptation

8.

All of the members of a single species within an ecosystem are a

a)

biotic factor

b)

food web

c)

food chain

d)

population

9.

A network of food chains that share come links is a

a)

food web

b)

population

c)

ecosystem

d)

adaptation

10.

The path that energy takes as it flows from one organism to another

a)

community

b)

food web

c)

food chain

d)

ecosystem

11.

An animal that only eats plants

a)

herbivore

b)

carnivore

c)

community

d)

producer

12.

An animal that eats only other animals (meat)

a)

carnivore

b)

population

c)

adaptation

d)

food web

13.

Select all the items that are abiotic factors.

a)

water

b)

soil

c)

temperature

d)

grass

14.

An example of a producer is a

a)

snail

b)

rabbit

c)

plant

d)

rock

15.

Examples of consumers are

a)

animals

b)

deer

c)

humans

d)

trees

16.

Examples of decomposers are

a)

bacteria

b)

fungi

c)

worms

d)

grass

17.

All living things need energy to stay alive.

a)

true

b)

false

18.

All food chains and food webs start with energy from the

a)

Earth

b)

Sun

c)

plants

d)

oceans

19.

A food chain shows the path of food energy in an ecosystem.

a)

True

b)

False

20.

All food chains end with

a)

consumers

b)

herbivores

c)

producers

d)

decomposers

21.

The living things in an ecosystem.

a)

biotic factors

b)

abiotic factors

22.

A(n) _______ is a diagram that shows the amount of energy available at each levle of an ecosystem.

a)

food chain

b)

food web

c)

energy web

d)

energy pyramid

23.

A place where an organism lives is called a(n)

a)

population

b)

niche

c)

habitat

d)

ecosystem

24.

A(n) ________________ includes all living and nonliving things in an environment.

a)

population

b)

community

c)

ecosystem

d)

niche

25.

Rocks, water, and sun are examples of:

a)

biotic factors

b)

abiotic factors

26.

Energy and nutrients flow in one direction in a(n) ________.

a)

food chain

b)

food web

c)

energy chain

d)

energy pyramid

27.

The fight for resources between organisms is called _________.

a)

symbiosis

b)

predation

c)

competition

d)

adaptation

28.

A(n) ____________ includes all members of a single species, like a school of clown fish.

a)

ecosystem

b)

population

c)

community

d)

habitat

29.

If a bear eats fruits, nuts, and meat, what type of a consumer is it?

a)

producer

b)

herbivore

c)

omnivore

d)

carnivore

30.

In this diagram, what is the producer?

a)

the Sun

b)

the snake

c)

the plant

d)

the grasshopper

31.

What does this diagram represent?

a)

A food chain

b)

A food web

c)

An energy pyramid

32.

In this diagram, what is the consumer?

a)

grasshopper only

b)

snake only

c)

grasshopper and snake

d)

grasshopper, mouse and snake

33.

Which best describes this illustration?

a)

food web

b)

producers

c)

consumers

d)

food chain

34.

What is an omnivore?

a)

an animal that is a producer

b)

an animal that eats only plants

c)

an animal that eats only consumers

d)

an animal that eats plants and animals

35.

Which ecosystem has much grass and few trees?

a)

Tundra

b)

Desert

c)

Grassland

d)

Wetland

36.

Which ecosystem has hot days and little rain?

a)

Tundra

b)

Desert

c)

Grassland

d)

Wetland

37.

All the living and nonliving things that interact in an area form a / an _________________________________.

a)

environment

b)

ecosystem

c)

community

d)

population

38.

All the populations living in the same place form a / an _______________________________.

a)

ecosystem

b)

environment

c)

community

d)

habitat

39.

Please pick all of the freshwater ecosystems!

a)

Lake

b)

Ocean

c)

River

d)

Stream

e)

Pond

40.

Please pick all of the nonliving parts of an ecosystem!

a)

Sunlight

b)

Water

c)

Soil

d)

Climate

e)

Plants

41.

Which ecosystem has trees that lose their leaves in the fall?

a)

Tropical Rain forest

b)

Deciduous forest

c)

Tundra

d)

Wetland

42.

A group of giraffes in a savanna make up a / an _______________________.

a)

population

b)

community

c)

habitat

d)

ecosystem

43.

Which ecosystem is treeless and the ground is frozen all year round?

a)

Tundra

b)

Desert

c)

Grassland

d)

Wetland

44.

Which ecosystem is hot and humid with much rainfall and wide variety of organisms?

a)

Tundra

b)

Desert

c)

Tropical Rain Forest

d)

Wetland

45.

Which ecosystem has trees that produce cones (conifer trees)?

a)

Tropical Rain forest

b)

Deciduous forest

c)

Taiga

46.

The fox is hunting the rabbit. The rabbit is the

a)

prey

b)

predator

47.

The eagle is hunting the fish. The eagle is the

a)

prey

b)

predator

48.

What is always at the base of every energy pyramid?

a)

carnivores

b)

omnivores

c)

producers

d)

herbivores

49.

Typical weather pattern for an environment

a)

temperature

b)

precipitation

c)

weather

d)

climate

50.

Where are more communities found?

a)

warm, moist ecosystems

b)

cold, dry ecosystems