What occurs during exhalation?

a. Oxygen is taken in through the nasal cavity.
b. Oxygen is released back into the air.
c. Carbon dioxide is released back into the air.
d. Carbon dioxide is taken in through the nasal cavity.


c. Carbon dioxide is released back into the air.

Biology & Microbiology

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Research comparing chromosomal structure between the genomes of humans and other primates reveals that humans

are most closely related to ____.

a. monkeys b. orangutans c. chimpanzees d. gorillas e. lemurs

Biology & Microbiology

In small populations with no other deviations from Hardy-Weinberg conditions, genetic drift eventually results in fixation on a single allele. If Hardy-Weinberg conditions are further changed by the introduction of new alleles by a constant flow of immigrants, will genetic drift necessarily eliminate these new alleles?

a. yes b. no

Biology & Microbiology

An insect that exhibits resistance to a pesticide

a. developed the resistance in response to the pesticide. b. mutated when exposed to the pesticide. c. inherited genes that made it resistant to the pesticide. d. drifted from an adjacent field. e. received resistance genes during mating.

Biology & Microbiology

Fovea is where you get the highest amount of ____ and ____ in the retina

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

Biology & Microbiology