Scanning electron microscopy (SEM) is especially suited to

A) observing living specimens.
B) examining internal cellular structure.
C) creating a sense of depth.
D) both observing living specimens and creating a sense of depth.
E) simultaneously observing living specimens, examining internal cellular structure, and creating a sense of depth.


Answer: C

Biology & Microbiology

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Hydra, a type of cnidarian, have equal survival rates through life because they are equally fit at all stages. Hydra are an example of an organism with a type ______ survivorship curve.

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Which organism has the narrowest ecological niche?

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