Human Impacts on Ecosystems

Human Impacts on Ecosystems

8th Grade

15 Qs

quiz-placeholder

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Human Impacts on Ecosystems

Human Impacts on Ecosystems

Assessment

Quiz

Science

8th Grade

Hard

NGSS
MS-LS2-4, MS-LS2-5, MS-ESS3-4

+4

Standards-aligned

Created by

Lisa Thompson

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The diagram below shows the relationship between some of the organisms in a marine food web. Which of the following is MOST LIKELY to happen if a large number of phytoplankton are killed from runoff entering the ocean?

The number of porpoises would probably stay the same because porpoises are far removed from phytoplankton in the food web

The number of zooplankton would probably increase because they wouldn’t have to compete with phytoplankton for food.

The number of salmon would probably decrease because there would be less food available for zooplankton and herring.

The Sun would probably not emit as much energy because there would not be as many phytoplankton in the ocean.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is associated with dead zones in the ocean?

A decrease in nitrogen levels.

An increase in oxygen levels.

An increase in the number of fish.

Runoff from fertilizers.

Tags

NGSS.MS-LS2-5

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

If the acidity in the oceans keep increasing every year, which poses a greater threat to the ocean life?

coral reefs - the acid eats away at the calcium carbonate that makes up the reef.

algae - the acid makes it easier for the algae to grow.

sea turtles - the acid strengthens their shells.

kelp - the acid strengthens their ability to keep their roots attached.

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In lakes that are exposed to acid rain, fish populations are declining. This is primarily due to changes in which type of dependence?

Weather

Recreation (Fun stuff)

Shipping and fishing

Tags

NGSS.MS-LS2-4

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The environmental impact of mining includes erosion, loss of biodiversity, contamination of soil and water.

Short Term Impact

Long Term Impact

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-LS2-5

6.

MATCH QUESTION

1 min • 5 pts

Match the following Major Human Impacts

Damage from off-road vehicles

Forests

Air pollution

Deserts

Depletion of groundwater

Grasslands

Overgrazing by livestock

Mountains

Tags

NGSS.MS-ESS3-4

7.

MATCH QUESTION

1 min • 5 pts

Match the following Human Impacts

Conversion to Cropland

Mountains

Agriculture

Deserts

Clearing for agriculture, livestock, timber, and urban development

Forests

Large desert cities

Grasslands

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-5

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