Multiple Choice
Algae called zooxanthellae live in the tissues of corals. Their photosynthesis provides organic compounds that the corals use as food and the corals provide the algae with a safe place to live and with nutrients to use in photosynthesis. This relationship is best described as
A) symbiotic (+/0) .
B) mutualistic (+/+) .
C) commensal (+/0) .
D) parasitic (+/-) .
Correct Answer:
Verified
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