The primate-like mammals first arose about how
many million years ago?
a. 95
b. 65
c. 45
d. 25
e. 15
Answer: b
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The receptors that detect stretch of tendons and movements of ligaments are a type of _________ called proprioceptors.
Fill in the blank(s) with correct word
The function of the malleus, incus, and stapes in the middle ear is to:
a. amplify the vibrations of sound waves. b. cause the organ of Corti to rub against the tectorial membrane. c. detect movement of the endolymph in the cochlear duct. d. relieve pressure differences between the middle ear and atmosphere. e. give support to the membranous labyrinth.
Sea levels are rising as the Earth's temperature increases, mainly because
A. rainfall is increasing. B. sea bottoms are rising. C. plant growth increases evapotranspiration. D. glaciers are melting.
The last stage of succession is the
A. early community. B. climax community. C. biome community. D. pioneer community.