Multiple Choice
A community may undergo a regime shift or a phase shift when ______________
A) lose keystone species or suffer a major climatic change
B) all invasive and exotic species are removed
C) they suffer a natural fire or flood
D) pollutants cause a rapid rise in mutations
E) have too many symbiotic relationships among species
Correct Answer:

Verified
Correct Answer:
Verified
Q25: Why do environmentalists favor the term food
Q26: Zebra mussels _.<br>A) are native to Canada<br>B)
Q27: _ capture solar energy and use photosynthesis
Q28: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6348/.jpg" alt=" Use the figure
Q29: Read the following scenario and answer the
Q31: A climax community always _<br>A) describes terrestrial
Q32: Grazing animals such as deer are _<br>A)
Q33: Benthic organisms in the Great Lakes _<br>A)
Q34: Of the following, _ is (are) an
Q35: Of the following, _ are pioneer species.<br>A)