A) Emit light.
B) Accumulate calcium carbonate.
C) Be responsible for red tides.
D) Live together with corals in coral reefs.
E) Be parasites of other algae.
Correct Answer
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Multiple Choice
A) Are well protected from strong wave action.
B) Have high salinity at all times.
C) Are located in temperate regions with wide seasonal temperature fluctuations.
D) Have high amounts of nutrients.
E) Are rocky with no sedimentation.
Correct Answer
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