The release of chemical signals into the extracellular fluid to affect nearby target cells is an example of ____ regulation

a. autocrine
b. endocrine
c. paracrine
d. systemic
e. exocrine


ANSWER: c

Biology & Microbiology

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What will be an ideal response?

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The ________ zone is also known as the shallow subtidal zone

Fill in the blank(s) with the appropriate word(s).

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Most or all protist cells have

a. a nucleus. b. a cytoskeleton. c. larger ribosomes than those of prokaryotes. d. mitochondria, ER, and Golgi bodies. e. all of these.

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An organism whose decline or removal from a habitat causes many other species numbers to change dramatically is called ________ species.

A. a synergistic B. a nominal C. an introduced D. a keystone

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