A biologist discovers an alga that is marine, multicellular, and lives at a depth reached only by blue light. This alga probably belongs to which group?

A biologist discovers an alga that is marine, multicellular, and lives at a depth reached only by blue light. This alga probably belongs to which group? 






A) red algae
B) brown algae
C) green algae
D) dinoflagellates
E) golden algae





Answer: A


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