6.L.2.1 - Ecosystems Test Review 2022

Which statement explains what occurs during photosynthesis?

• Plants take in minerals and release carbon dioxide.

• Plants take in carbon dioxide and release oxygen.

• Plants take in sugar and release minerals.

• Plants take in oxygen and release sugar.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What do herbivores and carnivores have in common?

• They are scavengers.

• They are consumers.

• They are producers.

• They are omnivores.

What would most likely happen if decomposers were removed from an

ecosystem?

• Less organic matter would be returned to the soil.

• More organic matter would be returned to the soil.

• Producers would be unable to complete photosynthesis.

• Consumers would be unable to obtain energy from producers.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which organisms in a food web are using carbon dioxide released by

consumers?

• decomposers and other consumers

• producers

• producers and other consumers

• decomposers

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What does a food web represent?

• the methods consumers use to get food

• the specific ways that mutualism occurs

• a single pathway of energy flow between organisms

• energy flow through organisms connected within an ecosystem

Tags

NGSS.MS-LS2-3

Which statement about photosynthesis is true?

• Plants and animals can survive without photosynthesis.

• Plants and animals cannot survive without photosynthesis.

• Photosynthesis has no impact on animals.

• Photosynthesis has no impact on plants.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which action begins photosynthesis in plants?

• chlorophyll in the leaf capturing light energy

• the conversion of light energy into chemical energy

• the conversion of sunlight into chlorophyll

• roots absorbing chemical energy

Tags

NGSS.MS-LS1-6

This shows a food chain.

sun → wheat → mouse → snake → owl

Which population of organisms has the most available energy in this food

chain?

• wheat

• mouse

• snake

• owl

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which energy source begins each food chain?

• fire

• soil

• wind

• sunlight

Tags

NGSS.MS-LS1-6

This is a food chain in a grasslands ecosystem.

sun → grass → rabbit → fox → hawk

Additional foxes are introduced into this ecosystem. Which population

will immediately decrease?

• grass population

• rabbit population

• fox population

• native fox population

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4