Module 2 Ecosystems Review (Test #2_M2L1-19)

A ____________ is an organism that breaks down tissues from other dead organisms.

• decomposer

• nutrient

• matter cycle

• food

Tags

NGSS.MS-LS2-3

A ____________ is any substance that an organism needs to stay healthy.

• decomposer

• nutrient

• matter cycle

• food

____________ is the continuous movement of matter within an ecosystem.

• decomposer

• nutrient

• matter cycle

• food

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Which one has more decomposers in it?

• sand

• soil

• both sand and soil

Which one has less nutrients in it?

• sand

• soil

• both sand and soil

Which one has more nutrients in it?

• sand

• soil

• both sand and soil

Which one has less decomposers in it?

• sand

• soil

• both sand and soil

Which one is made up of plant tissue like roots and leaves?

• sand

• soil

• both sand and soil

Which one is made up of pieces of rocks?

• sand

• soil

• both sand and soil

Choose the two true statements about nutrient deficient plants below:

• They're missing one of its needed nutrients.

• They have all needed nutrients.

• Their leaves look green and healthy.

• Their leaves look yellow-ish green and/or brown.

Tags

NGSS.MS-LS2-1