The type of feeding in sponges classifies them as:
a. grazers.
b. scrapers.
c. graspers.
d. filter-feeders.
e. omnivores.
D
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The most abundant gas in the earth’s atmosphere is
a. oxygen. b. water vapor. c. argon. d. nitrogen. e. carbon dioxide.
A prion is a(n)
a) abnormally folded protein. b) protein subunit. c) form of a bacterium. d) viral particle.
Noncyclic electron flow along with chemiosmosis in the chloroplast results in the production of
a. ATP only b. ATP and NADPH c. ATP and G3P d. ATP and O2 e. ATP, NADPH and O2
Calcium intake is important for women during pregnancy. If a woman for whatever reason does not get enough calcium in her diet during pregnancy, what is likely to happen to her bone tissue?
A) She will experience severe bone loss due to the loss of estrogen production during pregnancy. B) She may experience significant bone loss due to both the lack of dietary calcium and the fact that the fetus requires extra calcium, which will be removed from her own bone tissue. C) The fetus will be born without a skeleton. D) She may experience some bone loss due to the lack of calcium in her diet, but nothing significant.