The establishment of which developmental paths an embryonic cell will follow is

a. cell determination.
b. cell differentiation.
c. cell specialization.
d. cell categorization.
e. cell speciation.


B

Biology & Microbiology

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Some slime molds make structures called plasmodia which:

A. contain several forms of chloroplasts. B. provide movement for the slime molds. C. contain many nuclei in one large cell. D. are part of the reproductive structures.

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If two individuals with different distinct characteristics are mated, their offspring is called a _______

A. strain B. true-breeding line C. gamete D. cross E. hybrid

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How does habitat fragmentation affect biodiversity?

a. As long as the fragments are of good quality habitat, biodiversity will not be affected. b. Habitat fragmentation increases biodiversity because it reduces entry of exotic species. c. Habitat fragmentation is a threat to biodiversity because small habitat patches sustain only small populations. d. Habitat fragmentation increases biodiversity because adaptation to local conditions stimulates evolution. e. Habitat fragmentation connects terrestrial and aquatic habitats.

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The most common nematode infection worldwide is (ascariasis/filariasis/pinworms).

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

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