Life Sciences Unit Test

Front

What is an ecosystem?

Back

An ecosystem is all living and nonliving things that interact in an area.

Front

What is the role of chlorophyll in plants?

Back

Chlorophyll is the green pigment that captures energy from the sun.

Tags

NGSS.MS-LS1-6

Front

Is it true that energy in an animal's food was once energy from the sun?

Back

True.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Front

What cycle does the model illustrating the interaction of carbon dioxide and oxygen represent?

Back

The carbon dioxide-oxygen cycle.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Front

What is the original source of energy for all parts of the food chain?

Back

Sunlight.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Front

Define 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 are producers in an ecosystem?

Back

Producers are organisms that can make their own food, typically through photosynthesis.

Tags

NGSS.MS-LS1-6

Front

What are consumers in an ecosystem?

Back

Consumers are organisms that cannot produce their own food and must eat other organisms.

Tags

NGSS.MS-LS2-2

Front

What is the significance of decomposers in an ecosystem?

Back

Decomposers break down dead organic material, returning nutrients to the soil.

Tags

NGSS.MS-LS2-3

Front

Explain the carbon cycle.

Back

The carbon cycle is the process by which carbon is exchanged among the atmosphere, land, water, and living organisms.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3