Multiple Choice
Why do corals need a mutualistic relationship with other species,like zooxanthellae?
A) Corals typically live in nutrient-poor regions.
B) Corals grow on top of one another
C) Corals live in cold water.
D) Corals live so deep that the sunlight cannot reach them.
E) Corals live in oxygen-poor water.
Correct Answer:

Verified
Correct Answer:
Verified
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