Endemic means a species ____

a. evolved in one geographic region and lives nowhere else
b. is on its way to extinction
c. can live in only one habitat
d. is extinct in the wild
e. is completely extinct


ANSWER: a

Biology & Microbiology

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Entropy is the amount of ____ in a system

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How might one explain such a phenomenon?

Biology & Microbiology

A fabric company wants to create a new material based on cell research for the army that is able to bear high levels of tension efficiently. What cellular structure should be the target? 

A. pili B. microfilaments C. microtubules D. centrioles E. intermediate filaments

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The proposal that a human sperm contained a miniature human being is consistent with the now-discredited theory of development known as

A) epigenesis. B) preformation. C) cell differentiation. D) morphogenesis. E) cell theory.

Biology & Microbiology