4.1 Ecosystem: Everything is Connected

Which of the following is an ecosystem?

• vacant lot

• oak forest

• coral reef

• all of the above

The energy in most ecosystems comes from

• green plants.

• the sun.

• wind.

• the soil.

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NGSS.MS-LS2-3

NGSS.MS-LS1-6

The organisms most likely to belong to the same species are

• people at a football game.

• bacteria inside a person’s body.

• birds in a forest.

• organisms in a pond.

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NGSS.MS-LS4-2

Which of the following statements about an organ-ism’s habitat is not true?

• Most organisms can survive if they are taken away from their habitat.

• An organism’s habitat is the place where it lives.

• A habitat has specific characteristics that an organism needs to live there

• A habitat contains biotic and abiotic factors.

The community of a pond is made up of all the

• biotic and abiotic factors.

• resources organisms need.

• habitats in and around the water.

• populations of fish, insects, and other living organisms.

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NGSS.MS-LS2-3

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of the following pairs of organisms belong to the same population?

• a dog and a cat

• a marigold and a geranium

• a human mother and her child

• a spider and a cockroach

Which of the following components of an ecosystem are not abiotic factors?

• wind

• small rocks

• sunlight

• tree branches

Which of the following is an abiotic factor in an ecosystem?

• plants

• bacteria

• fungi

• water

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NGSS.MS-ESS2-4

Which of the following best describes a population?

• members of the same species living in the same place at the same time

• all the red birds in an area

• all types of organisms living in the same place

• all the members of the same species

The place that contains everything an organism needs is its

• community.

• species.

• habitat

• population.