Human Impact on Ecosystems

Human Impact on Ecosystems

7th - 8th Grade

20 Qs

quiz-placeholder

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Human Impact on Ecosystems

Human Impact on Ecosystems

Assessment

Quiz

Science

7th - 8th Grade

Medium

NGSS
MS-LS2-4, MS-LS2-5, MS-LS2-1

+8

Standards-aligned

Created by

Karen Quick

Used 28+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does aquatic vegetation (plants) provide to water habitats (lakes, bays, rivers)?

decomposers

carbon dioxide

dissolved oxygen

toxins

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-1

NGSS.MS-LS2-3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If toxic chemicals spill into an estuary and kills the aquatic grasses, what immediate consequence is likely to occur?

water fowl will leave

decrease in photosynthesis and therefore dissolved oxygen

more producers can take their place

less sunlight can reach plants on the bottom

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

NGSS.MS-LS2-4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Algal blooms may occur if excess nitrogen enters a waterway from polluted runoff. When the blooms die and decompose, oxygen in the water is depleted. Which of the following is likely to occur?

more fish reproduce

new invertebrates invade the ecosystem

fish populations begin to die

water becomes less turbid

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If nitrogen-rich fertilizers run off of the land and into a waterway, what species is likely to benefit and begin over-growing?

oysters

chickens

fish

algae

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Media Image

The image shows plant life growing along the edge of a stream (riparian buffer). Place a check next to the statements that describe benefits of this best management practice?

reducing sediment runoff into the stream

allowed storm water run off to be filtered before entering the stream

stabilizes the banks of the stream to slow erosion

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Recycling is provided by most cities. What is the benefit of recycling products?

reduces the amount of garbage in landfills

increases the amount of oxygen in the bay

slows or dependency on fossil fuels

Tags

NGSS.MS-ESS3-4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If habitat destruction takes place and a population once found there is now considered "extinct", what is the likely cause of this disappearance?

they are no longer able to produce offspring

there is not enough biodiversity

they are not able to evolve fast enough

invasive species take over

Tags

NGSS.MS-LS2-4

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