Human Impacts on Ecosystems
Quiz
•
Science
•
8th Grade
•
Hard
+4
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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
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
Depletion of groundwater
Mountains
Air pollution
Forests
Overgrazing by livestock
Deserts
Damage from off-road vehicles
Grasslands
Tags
NGSS.MS-ESS3-4
7.
MATCH QUESTION
1 min • 5 pts
Match the following Human Impacts
Agriculture
Grasslands
Clearing for agriculture, livestock, timber, and urban development
Forests
Conversion to Cropland
Deserts
Large desert cities
Mountains
Tags
NGSS.MS-LS2-1
NGSS.MS-LS2-4
NGSS.MS-LS2-5
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