5 L 2 2

The main function of a producer in an ecosystem is to

• absorb minerals from the soil.

• change water vapor into a liquid.

• make sugar through photosynthesis.

• break down dead plant and animal matter.

Tags

NGSS.MS-LS1-6

Which describes a decomposer?

• an organism that eats only plants

• an organism that makes its own food

• an organism that breaks down dead matter

• an organism that receives energy from the sun

Tags

NGSS.MS-LS2-3

An energy pyramid shows that less food and energy is available moving from the bottom to the top. Based on this model, where would producers be located on the energy pyramid?

• Level 1

• Level 2

• Level 3

• Level 4

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which best explains why producers are at the beginning of all food chains?

• They turn dead animals into nutrients.

• They provide shelter for smaller animals.

• They transfer energy from the sun into food.

Tags

NGSS.MS-LS1-6

List the steps of the scientific method

d

e

f

c

b

a

Ask a question

Communicate results

Form a hypothesis

Draw conclusions

Conduct experiment

Analyze results

Tags

NGSS.MS-PS2-5

Which is most responsible for recycling dead plants and animals in an

ecosystem?

• water

• bacteria

• fish

• insects

Tags

NGSS.MS-LS2-3

Which organism is a producer?

• frog

• mushroom

• grass

• lizard

Tags

NGSS.MS-LS2-3

Which will most likely cause a decrease in predator populations?

• an increase in prey populations

• a decrease in prey populations

• a decrease in decomposers

• an increase in producers

Tags

NGSS.MS-LS2-4

Which is an example of a decomposer?

• a hawk

• a mouse

• a flower

• a mushroom

Which gets all of its energy from the sun?

• producer

• consumer

• decomposer

Tags

NGSS.MS-LS1-6