Nutrients and oxygen can leave the arteries and arterioles to reach the cells.
a. true
b. false
Answer: b. false
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Outbreaks of the dinoflagellates Pfesteria has been attributed to:
a. septic tank overflows. b. agricultural runoff. c. oil pollution. d. carbon emissions. e. urban runoff.
Which statement most accurately describes incomplete metamorphosis?
a. A larva grows and turns into a pupa, and then an adult. b. Development is never fully complete and an immature adult is eventually hatched. c. An egg hatches into a nymph that gradually takes on the adult form over the course of several molts. d. Insects hatch from an egg looking like a tiny adult and they simply grow bigger with each molt. e. There is no such thing as incomplete metamorphosis, since all eggs eventually become functional adults
A genetic change in one species that selects for a subsequent genetic change in a different species is termed
A. gene dynamics. B. evolutionary dynamics. C. genetic dispersion. D. competitive exclusion. E. coevolution.
This type of mechanoreceptor is found in the lips, nipples, and fingertips and helps us to precisely determine contact with something else
A) free nerve endings B) Pacinian corpuscles C) hair root plexus D) Meissner's corpuscles