Human Impact on Ecosystems

Quiz
•
Science
•
7th - 8th Grade
•
Medium
+8
Standards-aligned
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
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
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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