8.11B

If an invasive plant grows in a forest, then:

• sunlight is more abundant.
• native plant growth decreases.
• windy days increase.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

• Mayflies that were previously abundant are no longer present in the stream
• Stone flies and midges thrive and compete for the same food source
• Large numbers of crayfish are suddenly dead
• Riffle beetles have become more abundant in the stream

• Produce large amounts of food
• Absorb large amounts of water
• Store excess gases
• Filter excess salt

• The soot-covered trees camouflaged the dark moths
• The dark moths prey on the light moths
• Bird populations increased in the area near the factories
• The dark moths laid fewer eggs than the light moths

Copper compounds are used to control the growth of algae and other aquatic plants. Copper interferes with photosynthesis in these organisms. What would be the most likely result of an accidental spill of these compounds in an aquatic environment?

• Fish would grow larger than usual
• Zooplankton would increase
• Plants would increase in size and decrease in number
• The plant populations would be reduced

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-4

• A
• B
• C
• D

• A
• B
• C
• D

• F
• G
• H
• J

• A
• B
• C
• D

• A
• B
• C
• D