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What would happen if organisms that play the role of heterotrophic bacteria did not exist in the marine environment?
Q14: Mitochondrion<br>A)protects DNA<br>B)energy powerhouse<br>C)selects what enters the cell<br>D)propels
Q21: Interspecific competition is competition occurring between individuals
Q33: The thickest of earth's physical layers is
Q35: Drowned rivers help create:<br>A) shelf breaks.<br>B) continental
Q47: Ammocoetes, the larval forms of lampreys, feed:<br>A)
Q49: The Cnidarians possess:<br>A) a water vascular system.<br>B)
Q52: How did the work of Charles Lyell
Q60: Most large crustaceans exchange gases through their
Q66: The processes of natural selection are non-random
Q116: The lancelet looks like a fish but