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Exploring Food Chains and Ecosystems

Total questions: 37

Worksheet time: 2hrs 49mins

Name
Class
Date
1.

What is the primary role of producers in a food chain?

a)

To decompose organic matter

b)

To convert solar energy into chemical energy

c)

To consume other organisms

d)

To recycle nutrients

2.

Which of the following is an example of a producer?

a)

Lion

b)

cheese

c)

Grass

d)

Eagle

3.

What is the role of consumers in a food chain?

a)

To produce energy

b)

To break down dead organisms

c)

To consume other organisms for energy

d)

To recycle nutrients

4.

Which of the following is a consumer?

a)

cheese

b)

tree

c)

Snake

d)

grass

5.

What is the role of decomposers in a food chain?

a)

To produce food

b)

To consume producers

c)

To break down dead organisms and recycle nutrients

d)

To provide energy to primary consumers

6.

Which of the following is an example of a decomposer?

a)

Eagle

b)

Bacteria

c)

Cow

d)

Grass

7.

How does energy flow in an ecosystem?

a)

From consumers to producers

b)

From decomposers to producers

c)

From producers to consumers

d)

From consumers to decomposers

8.

Which of the following best describes a food chain?

a)

A network of interconnected food webs

b)

A linear sequence of organisms through which energy flows

c)

A cycle of nutrient recycling

d)

A group of organisms that live in the same habitat

9.

Which of the following statements about decomposers is true?

a)

They are at the top of the food chain

b)

They produce their own food

c)

They break down dead material and waste

d)

They are primary consumers

10.

Which of the following shows the levels of organization in order from simple to complex?

a)

1. Cell

2. Tissue

3. Organ

4. Organ System

5. Organism

b)

1. Cell

2. Tissue

3. Organelle

4. Organ

5. Organ System

c)

1. Tissue

2. Organelle

3. Cell

4. Organ

5. Organism

d)

1. Organ

2. Tissue

3. Cell

4. Organism

5. Organ System

11.

Cells combine to form...

a)

tissue

b)

organs

c)

organ systems

d)

organisms

12.

Tissues combine to form...

a)

cells

b)

organs

c)

organ systems

d)

organelles

13.

Organs combine to form...

a)

organ systems

b)

organs

c)

tissues

d)

organisms

14.

Organs combine to form...

a)

organ systems

b)

organs

c)

tissues

d)

organisms

15.

Organ systems combine to form...

a)

cells

b)

tissues

c)

organs

d)

organisms

16.

Which level of organization is the smallest and simplest?

a)

Cell

b)

Tissue

c)

Organ

d)

Organ System

e)

Organisms

17.

Which of the following is considered the smallest unit of life?

a)

Atom

b)

Cell

c)

Organelle

d)

Molecule

18.

Organs that work together are part of a(n) ________________________.

a)

cells

b)

tissue

c)

organ system

19.

Groups of cells with similar functions.

a)

Organs

b)

Molecules

c)

Tissues

d)

Organelles

20.

True or false: Ecosystems are made up of both living and non-living things.

a)

True

b)

False

21.

All the alligators in a swamp are an example of a(n) _______________.

a)

organism

b)

community

c)

population

d)

group

22.

A group of only one type of organism is a

a)

Population

b)

Community

c)

Ecosystem

d)

Niche

23.

Several populations living and interacting with other populations in an ecosystem is a(n)

a)

Population

b)

Community

c)

Niche

d)

Ecosystem

24.

When bluejays, mice, trees, and squirrels live in the same area, this is an example of a

a)

Niche

b)

Community

c)

Population

d)

Ecosystem

25.

Is this an example of a population or community?

a)

Population

b)

Community

26.

Is this an example of a population or community?

a)

Population

b)

Community

27.

The living and nonliving things in an environment and all the interactions

a)

population

b)

food chain

c)

ecosystem

d)

community

28.

What are some non-living things?

a)

Sun

b)

Water

c)

Plants

d)

Trees

e)

air

29.

Abiotic means

a)

living

b)

nonliving

30.

What is the difference between the biotic and abiotic factors?

a)

Biotic factors are living things and abiotic factors are nonliving things.

b)

Biotic factors are nonliving things and abiotic factors are living things.

31.
Biotic means
a)
living
b)
nonliving
32.

What is a example of a ABIOTIC factor?

a)

Panda

b)

Bacteria

c)

Butterfly

d)

Weather

33.
Temperature, light, air, water, and soil are all  _____  parts of the environment
a)
alive
b)
biotic 
c)
abiotic
d)
living
34.

What are the ABIOTIC factors in this image?

a)

water

b)

sunlight

c)

birds

d)

grasses

e)

mud

35.
What is this biome?
a)
Arctic Tundra
b)
Desert
36.

Which biome is hot all year with wet and dry seasons?

a)

tropical rainforest

b)

arctic tundra

c)

temperate grassland

d)

desert

37.
A biome is......
a)
Like a snowglobe that you shake and can see different types of animals.
b)
A large region of earth with a certain type of climate
c)
An area of earth only found in the United States.
d)
A community of living things.

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