The reef building corals are not found below 60 m (200 feet) due to:
A) light requirements of the zooxanthellae.
B) limited plankton as food.
C) cold water.
D) competition with non-reef building corals.
E) predation by sea stars.
Correct Answer:
Verified
Q9: The optimum temperature for coral formation
Q10: Coral reefs form in areas where seawater
Q11: The highest point on a reef is
Q12: The lack of corals near the mouths
Q13: Hermatypic refers to:
A) reef building corals.
B) non-reef
Q15: Coral reefs separated from land by a
Q16: Coral reefs are an example of biological
Q17: Ahermatypic refers to:
A) reef building corals.
B) non-reef
Q18: Reefs that are separated by a lagoon
Q19: Circular coral reefs that arise out of
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