SEV1a Pre Test (9th Grade)

• an organism

• a community

• a population

• an ecosystem

Tags

NGSS.MS-LS2-2

• a community

• an ecosystem

• a population

• an organism

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Which of the following shows the correct order of these

pictures from the highest level to the lowest level of organizations?

• A

• B

• C

• D

Ecologists study the interactions of organisms at five different levels. Which best places the levels from smallest to largest?

• population→ ecosystem→ organism→ community→ biome

• community→ organism→ population→ biome→ ecosystem

• organism→ population→ community→ ecosystem→ biome

• ecosystem→ organism→ community→ biome→ population

Which picture represents a population?

• Q

• R

• S

• T

Which picture represents the lowest level of organization?

• Q

• R

• S

• T

Which of the following represents the lowest level of organization in this forest environment?

• the single deer standing near the flowing river

• the river supplying the organisms with water

• the squirrels eating the nuts and acorns from the trees

• the group of bushes providing shade for small insects

Tags

NGSS.MS-LS2-1

Which of the following is the highest level of organization in this forest environment?

• all of the organisms living and interacting in the environment

• the hawk flying in the sky over the forest

• the group of shrubs occupying a part of the environment

• all of the pine trees living closely together in the forest

Tags

NGSS.MS-LS2-1

All of life on Earth exists in

• a single ecosystem.

• a single biome.

• the biosphere.

• the hydrosphere.

Tags

NGSS.MS-LS2-1

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The picture that represents a community is

• W, a group of one type of organism interacting in an environment.

• X, many types of organisms interacting with their nonliving environment.

• Y, a single lion resting by itself and not interacting.

• Z, a group of zebras and wildebeests interacting.

Tags

NGSS.MS-LS2-2