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Unit 3 Test Review

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.
1. Plants make their own food through a process called
a)
A. Photograph
b)
B. Photosynthesis
c)
C. Phototropism
d)
D. Photorespiration
2.
2. What three things do plants need to make their own food through photosynthesis?
a)
A. Sugar, Carbon Dioxide, and Oxygen
b)
B. Sunlight, Water, and Soil
c)
C. Chlorophyll, Oxygen and Water
d)
D. Sunlight, Carbon Dioxide, and Water
3.
3. What two products are produced by photosynthesis. Meaning which two are made from the process of photosynthesis
a)
A. Sunlight and Oxygen
b)
B. Carbon Dioxide and Oxygen
c)
C. Sugar and Water
d)
D. Oxygen and Sugar
4.
4. What is the job of chlorophyll in a plant cell?
a)
A. Absorbs carbon dioxide from the air.
b)
B. Captures the sun's rays and make leaves green..
c)
C. Brings water and nutrients up from the soil.
d)
D. Stores food.
5.
5. This holds the plant up and carries water and minerals up and food down throughout the plant.
a)
A. Leaves
b)
B. Stem
c)
C. Roots
d)
D. Flowers
6.
6. This is the part of the plant where photosynthesis takes place.
a)
A. Seeds
b)
B. Roots
c)
C. Stem
d)
D. Leaves
7.
7. Growth, repair, and other life processes require
a)
A Exercise
b)
B Rest
c)
C Energy
d)
D Studying
8.
8. Organisms that make their own food are called
a)
A. Growers
b)
B. Producers
c)
C. Consumers
d)
D. Decomposers
9.
9. An organism that obtains energy by feeding on other organisms.
a)
Producers
b)
Prey
c)
Consumers
d)
Decomposers
10.
10. What is a decomposer?
a)
A An organism that gets energy by making its own food
b)
B An organism that hunts for prey.
c)
C An organism that gets energy by breaking down dead plants and animals.
d)
D An organism that hides from predators.
11.
11. Look at the picture and choose the correct answer.
a)
A. Producer
b)
B. Consumer
c)
C. Decomposer
12.
12. Look at the picture and choose the correct answer.
a)
A. Producer
b)
B. Consumer
c)
C. Decomposer
13.
13. Look at the picture and choose the correct answer.
a)
A. Producer
b)
B. Consumer
c)
C. Decomposer
14.
14. Matter that is taken in but not used by the body is called
a)
A. Minerals
b)
B. Decay
c)
C. Waste
d)
D. Loss
15.
15. The original source of energy for nearly all living things is the
a)
A. Moon
b)
B. Sun
c)
C. Earth
d)
D. Sky
16.
16. This is made up of all living and nonliving things that surround and affect the organism.
a)
A Dwelling
b)
B Environment
c)
C Niche
d)
D Biosphere
17.
17. What is an ecosystem?
a)
A An organisms role or job in the community
b)
B The system that allows water to change states of matter.
c)
C A system that keeps a community running smoothly without any issues.
d)
D A community of organisms and the environment in which they live.
18.
18. All the living parts of an ecosystem are called
a)
A. Organisms
b)
B Growth Factors
c)
C Abiotic Factors
d)
D Biotic Factors
19.
19. All the non-living parts of an ecosystem are called
a)
A Biotic Factors
b)
B Abiotic Factors
c)
C Organisms
d)
D Lifeless
20.
20. Look at the picture below. Is it a Biotic Factor or an Abiotic Factor. Choose the correct answer.
a)
A. Biotic Factor
b)
B. Abiotic Factor
21.
21. Look at the picture below. Is it a Biotic Factor or an Abiotic Factor. Choose the correct answer.
a)
A. Biotic Factor
b)
B. Abiotic Factor
22.
22. This is an organism's address. Where it lives and can find what it needs to survive.
a)
A Habitat
b)
B Lodging
c)
C Dwelling
d)
D Homestead
23.
23. What is an animal's Niche?
a)
A An organisms favorite thing to eat.
b)
B The structure in which it builds its den or home.
c)
C The role or job an organism in its environment
d)
D An organisms address or where it lives.
24.
24. A herd of elephants would be an example of a
a)
A Monarchy
b)
B Society
c)
C Population
d)
D Community
25.
25. This consist of all the different populations that live and interact in an area.
a)
A Community
b)
B Neighborhood
c)
C Niche
d)
D Habitat
26.
26. Animals that catch, hunt and eat other animals are called
a)
A Producers
b)
B Prey
c)
C Predators
d)
D Omnivores
27.
27. Animals that are hunted caught and eaten are called
a)
A. Prey
b)
B Game
c)
C Decomposers
d)
D Plants
28.
28. An example of a predator and prey relationship?
a)
A. A bee pollinating a flower.
b)
B. A cat chasing a mouse.
c)
C. A human eating an apple.
d)
D. A beaver building a dam.
29.
29. What would happen if there are not enough resources to support the needs of living things in a habitat?
a)
A The organisms would ask other organisms for help.
b)
B The organisms would depend on humans to bring them what they need.
c)
C Organisms would need to move to another habitat in search of the resources they need to survive.
d)
D The organisms would starve and die.
30.

Limiting Factors

a)

Restrict the number of populations allowed in an ecosystem.

b)

Limit how many living things of a particular population an ecosystem can support.

c)

Will produce more resources to meet the demands of living things.

d)

The role a plant or animal plays in its habitat

31.

Which picture is an example of a population?

a)

b)

c)

d)

32.

Which picture is an example of a community?

a)

b)

c)

d)

33.

Which is NOT a need for organisms to survive?


a)

Water

b)

Sun/Heat

c)

Shelter

d)

Electricity

34.

The resources in an ecosystem are limited so a population in an ecosystem need to _______________ to get the resources they need to survive.


a)

Give Up

b)

Surrender

c)

Compete

d)

Mimic each other

35.

Which is an example of a Narrow Niche?


a)

  1. Tiger salamanders are found in many places in North America. They eat many different foods, such as frogs, worms, insects, and small mammals.

b)

  1. Sharks are found in a wide variety of ocean ecosystems. They eat many kinds of prey and are an important part of many ocean food chains.

c)

  1. Eucalyptus trees grow in limited areas, and because they can be toxic, provide food and a home for only a few animals.

d)

  1. Raccoons live in a great variety of habitats, including prairies, forests, marshes, and large cities. They eat all kinds of food, ranging from frogs to fruit. Raccoons will even eat garbage!

36.

Which is an example of a predator and prey relationship?


a)

  1. A bee pollinating a flower.

b)

  1. A cat chasing a mouse.

c)

A human eating an apple.

d)

  1. A beaver building a dam.

37.

Which ecosystem would a Polar Bear

 live in?


a)

Ocean

b)

Tundra

c)

Rainforest

d)

Grasslands

38.

Which ecosystem would a whale live in?

a)

Taiga

b)

Ocean

c)

Desert

d)

Deciduous Forest

39.

Which ecosystem would a monkey live in?

a)

Desert

b)

Ocean

c)

Tundra

d)

Rainforest

40.

Which ecosystem would a camel live in?

a)

Grassland

b)

Tundra

c)

Desert

d)

Rainforest

41.

What would a bee’s role or niche be for the environment?


a)

Construct Dams

b)

Spread Seeds

c)

Pollinate

d)

Eat other insects

42.

Choose all that apply. Which of these describe why living things compete for resources.

a)

All living things need resources to survive.

b)

Living things can create all the resources they need.

c)

The resources in an ecosystem are limited

d)

Most living things can survive without resources.

43.

What would a squirrels role or niche be for the environment?


a)

Spread Seeds

b)

Construct dams

c)

Pollinate

d)

Insect Control

44.

Photosynthesis:

Sunlight + Carbon Dioxide + Water = ______ and ______

a)

Resources and Habitat

b)

Chlorophyll and Pigment

c)

Sugars and Oxygen

d)

Carbon and Sugars

45.

Look at the picture. Is it a Biotic Factor or an Abiotic Factor. Choose the correct answer.

a)

Biotic Factor

b)

Abiotic Factor

46.

Look at the picture. Is it a Biotic Factor or an Abiotic Factor. Choose the correct answer.

a)

Biotic Factor

b)

Abiotic Factor

47.

Look at the picture. Is it a Biotic Factor or an Abiotic Factor. Choose the correct answer.

a)

Biotic factor

b)

Abiotic Factor

48.

Which ecosystem would a Lion live in?

a)

Tundra

b)

Grassland

c)

Rainforest

d)

Desert

49.

Which ecosystem would a penguin live in?

a)

Deciduous Forest

b)

Desert

c)

Grassland

d)

Tundra

50.

  • The leaves breathe in air called carbon dioxide and breathe out oxygen through the ____________.

a)

Chloroplasts

b)

Stomata

c)

Cell Wall

d)

Roots

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