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8.L.3.1 Ecosystems

Authored by Susan Stroder

Science

8th Grade

NGSS covered

Used 5+ times

8.L.3.1 Ecosystems
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5 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

Which difference in the jetties would MOST likely make Jetty B better for native fishes?

Jetty B reduces beach erosion

Jetty B allows more light into the water.

Jetty B decreases the temperature of the water.

Jetty B provides more places for organisms to live.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

2.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Which is an abiotic factor the MOST limits the number of frogs living in a pond?

the color of the water

the number of predators

the temperature of the water

the populations of the producers

Tags

NGSS.MS-LS2-4

NGSS.MS-LS1-5

3.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

Which MOST likely occurs in the area where the tree falls that helps the plants and shrubs grow taller?

A decrease in competition for sunlight.

A decrease in the amount of rainfall.

An increase in herbivore population.

An increase in soil formation.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

4.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

If acid rain causes a decrease in the number of mayfly nymphs, which population will decrease in number?

trout

frogs

birds

snails

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

5.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

The danger posed to fish in an aquarium by an overpopulation of bacteria caused by an algal bloom is MOST likely a

a decrease in water temperature

a reduction in oxygen levels

decrease in food supply

removal of minerals

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

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