The largest group and most important marine photosynthetic organisms are:

a. kelp.
b. seagrasses.
c. macroalgae.
d. phytoplankton.
e. giant kelps.


D

Biology & Microbiology

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Physicians feel that the best way to differentiate between a fibroadenoma and a malignant tumor in the breast is through _____.

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Helicobacter pylori has been associated with ____.

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