The innermost whorl of a flower typically consists of one or more

a. petals.
b. carpels.
c. stamens.
d. receptacles.
e. sepals.


B

Biology & Microbiology

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Isoniazid is a narrow-spectrum antibiotic that

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________ produce 40 to 50 percent of the organic carbon in the ocean.

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

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Organisms that use bioluminescence to attract prey are the:

a. hatchetfish. b. anglerfish. c. stomiatoid fish d. a and b e. b and c

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__________ regulates the maturation of the mammary glands, and then oxytocin causes __________. Fill in the blank(s) with the appropriate word(s)

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