Red tides are caused by

a. formaniferans.
b. dinoflagellates.
c. many different organisms from many different classification groups.
d. sea weeds.
e. ciliates.


B

Biology & Microbiology

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a. Escherichia coli b. Escherichia coli c. Escherichia coli d. Escherichia Coli

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The high productivity of coral reefs is a direct result of:

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For your eye to focus on this sentence:a

the ciliary muscle would need to contract for the lens to get rounder. b. the ciliary muscle would need to contract for the lens to get flatter. c. the ciliary muscle would need to relax for the lens to get rounder. d. the ciliary muscle would need to relax for the lens to get flatter. e. the ciliary muscle is not connected to the lens and therefore, not involved in vision.

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