7th Grade Semester Test

Front

What role do decomposers play in the ecosystem?

Back

Decomposers break down dead organisms and release nutrients, like carbon and nitrogen, back into the environment to be recycled into the food chain.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Front

What basic needs do all living things have in common?

Back

All living things require water, light, and nutrients for growth and survival.

Tags

NGSS.2-LS2-1

NGSS.K-ESS3-1

NGSS.K-LS1-1

Front

Why do most people not eat Asian carp?

Back

They have a large number of hard-to-remove bones.

Front

Where do igneous rocks most likely form?

Back

In a volcano.

Front

What is a copepod?

Back

A small crustacean that attaches to a shark's eyeball and causes blindness.

Front

What is the process of photosynthesis?

Back

Photosynthesis is the process by which green plants use sunlight to synthesize foods with the help of chlorophyll.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Front

What is the significance of nutrients in an ecosystem?

Back

Nutrients are essential for the growth and development of organisms and are recycled through the ecosystem.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Front

What is the food chain?

Back

The food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another.

Tags

NGSS.MS-LS2-3

Front

What is the difference between producers and consumers?

Back

Producers create their own food through photosynthesis, while consumers eat other organisms for energy.

Tags

NGSS.MS-LS2-2

Front

What is an ecosystem?

Back

An ecosystem is a community of living organisms interacting with their physical environment.