Unit 2 - Ecosystems

In a meadow ecosystem, a population of rabbits increases. What populations are most likely to increase as a result?

• foxes, hawks, and other predators of the rabbits

• leafy plants that rabbits eat

• rabbits that live elsewhere

• worms that live in the meadow soil

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-LS2-2

Without decomposers, what would build up on the ground and not return to the soil?

• large rocks

• rain water

• bacteria and other microorganisms

• dead plant and animal matter

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In any community, which group includes the largest number of animals?

• herbivores

• prey

• predators

• consumers

All the living and nonliving things in an area make up a/an

• community.

• ecosystem.

• population.

• environment.

An organism that makes its own food is a/an

• producer.

• consumer.

• predator.

• prey.

Tags

NGSS.MS-LS2-3

A ________ is all the members of one kind of plant or animal in a community.

• ecosystem

• environment

• population

• community

Two or more overlapping food chains form a/an

• food chain

• food web

• community

• population

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NGSS.5-LS2-1

In a diagram of a food web, the arrows show the flow of

• soil

• sunlight

• oxygen

• energy

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NGSS.MS-LS2-3

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What type of succession is shown going from figure A to figure B?

• primary succession
• eutrophication
• secondary succession
• intermediate

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NGSS.HS-LS2-6

After a forest fire, an ecosystem would start regrowth through -

• primary succession
• secondary succession
• climax community
• limiting factors

Tags

NGSS.MS-LS2-4