“Prebiotic soup” refers to ____
a. the interior contents of protocells
b. the cytoplasm of early prokaryotic cells
c. the mix of gases in the atmosphere that gave rise to the first organic molecules
d. the polymerized slime coating ancient clay particles
e. the accumulation of organic molecules that formed in the oceans before there was life on Earth
ANSWER: e
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Which of the following is the most fatal
genetic disorder in the United States?
a. cystic fibrosis b. Huntington’s disease c. sickle cell anemia d. anhidrotic dysplasia e. fibromyalgia
Species interactions between members of a community include __________, which is helpful to one species and does
not harm the other species Fill in the blank(s) with the appropriate word(s).
On the basis of their morphologies, how might Linnaeus have classified the Hawaiian silverswords? Linnaeus would have _____
A) placed them all in the same species. B) classified them the same way that modern botanists do. C) placed more of them in different genera than modern botanists do. D) used evolutionary relatedness as the primary criterion for their classification.
Which of the following organisms belongs to the Subphylum Cephalochordata?
a) hagfish b) lamprey eel c) sea squirt d) lancelet e) catfish