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Life Science 5th Grade

Total questions: 49

Worksheet time: 26mins

Name
Class
Date
1.

An organism that eats grass and insects is

a)

an herbivore

b)

a producer

c)

prey

d)

an omnivore

2.

Why does every animal in an ecosystem rely on producers?

a)

producers start all food chains

b)

producers break down dead waste

c)

producers eat consumers

d)

producers recycle

3.

Which organism is a decomposer?

a)

frog

b)

worm

c)

oak tree

d)

grasshopper

4.

Which organisms will you find the most of in an ecosystem?

a)

Consumer

b)

Producer

c)

Decomposer

5.

Why do consumers need to eat?

a)

to hunt for food

b)

to look for water

c)

to look for shelter

d)

all of these

6.

Plants use photosynthesis to make

a)

water

b)

sunlight

c)

carbon dioxide

d)

sugar

7.

Is a Toad a

a)

Producer

b)

Consumer

c)

Decomposer

8.

Mushrooms

a)

Producer

b)

Consumer

c)

Decomposer

9.

Cow

a)

producer

b)

consumer

c)

decomposer

10.
What name is used to describe all living things?
a)
organism
b)
ogrenism
11.

The process in which nitrogen circulates and is recycled is called

a)

The nitrogen cycle

b)

The carbon cycle

c)

The water cycle

d)

The phosphorus cycle

12.

Can animals and plants directly absorb nitrogen from the atmosphere, is this statement true or false

a)

False

b)

True

13.
Plants use _____________ to make their own food during photosynthesis.
a)
water
b)
energy from the Sun
c)
CO2
d)
water, energy from Sun, CO2
14.
Animals use oxygen for _____________.
a)
breathing
b)
creating food
c)
making glucose
d)
transpiration
15.
The carbon dioxide-oxygen cycle is best defined as-
a)
the process in which plants use energy from the sun to make their own food
b)
a green substance in plant leaves that captures energy from the sun
c)
living things
d)
the movement of carbon dioxide and oxygen between organisms and the air
16.

What is carbon dioxide used for?

a)

plants use it to make their food

b)

it's used to make oxygen

c)

people and animals use it to breathe

d)

it's used in baking cookies

17.

What is the process of plants taking in carbon dioxide and releasing oxygen called?

a)

Respiration

b)

Produce

c)

Photosynthesis

d)

Breathing

18.

How does water flow through a plant (from entry to exit)?

a)

stem-root-leaves

b)

leaves-stem-root

c)

root-stem-leaves

d)

root-leaves-stem

19.

What are the products (result) of photosynthesis?

a)

Carbon dioxide and water

b)

Oxygen and glucose

c)

Carbon dioxide and oxygen

d)

Glucose and carbon dioxide

20.

This gas is used by plants in photosynthesis

a)

Nitrogen

b)

Helium

c)

Oxygen

d)

Carbon dioxide

21.

This gas is made by plants in photosynthesis

a)

Nitrogen

b)

Carbon dioxide

c)

Helium

d)

Oxygen

22.

Plants get their water for photosynthesis from here

a)

soil

b)

air

c)

river

d)

pond

23.

This green pigment absorbs energy from sunlight

a)

chloroplast

b)

chlorophyll

c)

chromosome

d)

chloramphenicol

24.

This part of the plant holds the plant in the ground and gets water and nutrients from the soil.

a)

stem

b)

leaves

c)

flower

d)

roots

25.

This part of the plant produces seeds and creates pollen.

a)

roots

b)

flower

c)

stem

d)

leaves

26.

Plants are __________

a)

non-living

b)

living

27.
Which is a function of the roots?
a)
absorb sunlight
b)
start photosynthesis
c)
pull nutrients from the soil
d)
turn gray when they get old
28.
Which is a function of the leaves?
a)
to provide shade
b)
to attract pollinators
c)
to make food through photosynthesis
d)
to absorb nutrients
29.
The roots absorb what for the plant? 
a)
Water and Nutrients
b)
Soil and Sun
c)
Warmth and Water
d)
Sun and Photosynthesis
30.

Which part of a plant attracts pollinator like birds and butterflies?

a)

Flower

b)

Leaf

c)

Stem

d)

Roots

31.

Which part of a plant absorbs sunlight?

a)

Flower

b)

Leaf

c)

Stem

d)

Roots

32.

Where does photosynthesis happen in a plant?

a)

Flower

b)

Leaf

c)

Stem

d)

Roots

33.
The roots absorb what for the plant? 
a)
Water and Nutrients
b)
Soil and Sun
c)
Warmth and Water
d)
Sun and Photosynthesis
34.

What is a consumer?

a)

an organism that eats another organism to get energy

b)

an organism that makes its own food

c)

an organism that eats decomposers

d)

an organism that breaks down dead organisms and returns nutrients back to the soil

35.

What is producer?

a)

an organism that eats another organism for energy

b)

an organism that makes its own food with the sun

c)

an organism that breaks down dead organisms and returns nutrients back to the soil

d)

an organism that eats a decomposer

36.

What is a decomposer

a)

an organism that eat another organism to get energy

b)

an organism that uses the suns energy to make its own food

c)

an organism that eats decomposers

d)

an organism that breaks down organisms and returns nutrients back to the soil

37.

A herbivore...

a)

eats other animals

b)

eats producers

c)

eats consumer number 2

d)

makes its food

38.

A producer uses....?.... to makes its food.

a)

another organism

b)

the sun

c)

plants

d)

the soil

39.

the main source of energy is...

a)

the water cycle

b)

the plants

c)

the sun

d)

the food web

40.

The arrows in a foodweb or foodchain represent?

a)

The transfer of food

b)

the transfer of energy

c)

the transfer of animals

d)

the transfer of plants

41.

Decomposer?

a)

mushroom

b)

grass

c)

wolf

d)

seed

42.

Which animal is the tertiary consumer?

a)

mouse

b)

eagle

c)

snake

d)

grasshopper

43.

What would happen if you REMOVE the mice in this ecosystem?

a)

grasshoppers would decrease in population

b)

producers would decrease

c)

snake would increase in population

d)

the eagles would die

44.

What animal is getting DIRECT energy from the mouse?

a)

eagle

b)

snake

c)

grasshopper

d)

plant

45.

Which organism is getting INDIRECT energy from the mouse?

a)

eagle

b)

snake

c)

grasshopper

d)

plant

46.

how many organisms are consumers?

a)

1

b)

2

c)

3

d)

4

47.

How many organisms are producers?

a)

1

b)

2

c)

3

d)

4

48.

In a food chain, what do the arrows point to?

a)

The flow of energy

b)

Animals

c)

Flowers

d)

The prey

49.

Animals that breakdown dead organisms are called?

a)

Producers

b)

Consumers

c)

Decomposers

d)

Animals

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