Decomposers Review

True or False:

Soil is a mixture of rocks, water, air, parts of dead organisms, and tiny living organisms.

• True

• False

Tags

NGSS.MS-LS2-3

What must dead animals and plants do in order to become part of the soil?

• Live in the soil

• recycle

• die

• decompose

Tags

NGSS.MS-LS2-3

What can be used to tell what an organism eats and what eats an organism?

• flow map

• food chain

• food web

• food diagram

Tags

NGSS.MS-LS2-3

Which of the following are examples of decomposers?

• worms

• mushrooms (fungus)

• bacteria

• snakes

Tags

NGSS.MS-LS2-3

Where can you find plants, flowers, and grass in a food chain/web?

• at the top

• in the middle

• at the beginning

Tags

NGSS.MS-LS2-3

Yes or No:

Would "lightning striking a tall tree" be an example of how matter flows through an ecosystem?

• Yes

• No

Tags

NGSS.MS-LS2-3

Which of the following do plants need in order to grow?

• soil

• sunlight

• water

• nutrients

• air (carbon dioxide)

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Which of the following provides nutrients to the soil?

• decomposers

• water from the sky

• dead plant matter

• dead animal matter

Tags

NGSS.MS-LS2-3

What could happen if a new organism moved into an ecosystem that wasn't theirs?

• other organisms would leave the ecosystem

• there would be no change

• the decomposers could stop breaking down dead matter

• the ecosystem could become unbalanced

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Plants get nutrients they use to grow healthy from the _________.

• sun

• air

• soil

• water

Tags

NGSS.5-LS1-1

NGSS.5-LS2-1