Multiple Choice
Zooxanthellae are ________________.
A) symbiotic algae that provide corals with energy via their photosynthetic activity
B) symbiotic bacteria that decompose tissues of dead animals in oceans
C) symbiotic bacteria that fix nitrogen in oceans
D) an invasive species of kelp in the Indian Ocean
E) an endangered species of fish in the Pacific Ocean
Correct Answer:

Verified
Correct Answer:
Verified
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