Reef-building corals grow only in shallow water because:
A) Salinity varies less in shallow water.
B) Zooxanthellae need light for photosynthesis.
C) Calcium carbonate is only available in shallow water.
D) Nutrients concentrate in shallow water.
E) Shallow water contains more dissolved organic matter (DOM) .
Correct Answer:
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Q3: Sources of food and other essential nutrients
Q4: Which of the following organisms is least
Q5: In addition to zooxanthellae,what is the other
Q6: Which of the following is not used
Q7: The expulsion of zooxanthellae due to unfavorable
Q9: Zooxanthellae are essential to reef-building corals because
Q10: Eutrophication is very detrimental to the development
Q11: Spur-and-groove formations,or buttresses,appear to be the result
Q12: Atolls actually start as a:
A)Fringing reef.
B)Barrier reef.
C)Semi-circular
Q13: Reef-building corals are cnidarians that are characterized
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