The chances that a species will_____are reduced if any vital function is restricted to a single kind of organ;_____by itself possesses an enormous survival advantage.
Blank(i) Blank(ii)
A.persist
B.expire
C.degenerate
D.size
E.redundancy
F.symmetry
Blank(i) Blank(ii)
A.persist
B.expire
C.degenerate
D.size
E.redundancy
F.symmetry
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