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24 votes
Question 1 (1 point)

Invasive species are _______ species that have a ______ impact on a given ecosystem.

Question 1 options:

native, positive


non-native, neutral


non-native, positive


non-native, harmful

Question 2 (1 point)
Select all that apply.

Check all that characteristics of zebra mussels.

Question 2 options:

lives in cool water


the size of a hand


can attach to any surface


filter feeders

Question 3 (1 point)
The zebra and quagga mussels arrived to the Great Lakes in the ballast water of a container ship from:

Question 3 options:

Norway


Europe


Africa


Australia

Question 4 (1 point)
20% of the world's fresh water is found in the Great Lakes.

Question 4 options:
True
False
Question 5 (1 point)
Select all that apply.

In what ways do zebra and quagga mussels change the ecosystem?

Question 5 options:

compete with other organisms for food


consume huge amounts of algae, which leaves little food for other organisms


increase the temperature of the water


lake water becomes clearer, allowing sunlight to penetrate deeper and creating more aquatic plant growth

1 Answer

12 votes

Answer:

OH NO...OH NO...OH NO NO NO NO NO..OH NO!!!!

User Ahmad Siavashi
by
4.9k points