The earliest recorded direct studies of marine biology are attributed to:
a. the Greeks.
b. the Catholic Church.
c. Arabian philosophers.
d. Micronesian mariners.
e. the Chinese.
A
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The genetic material of a prokaryotic cell is located in its:
A. nucleolus. B. nucleus. C. nucleoid. D. nucleosome.
Because artificial selection is controlled by a breeder, how does it compare to natural selection?
A. It usually occurs at the same pace because mutations occur at the same rate. B. It usually is less efficient because there is no competition between individuals. C. It usually is more efficient because it is controlled through breeding and not reproductive success. D. It works well, but will only be able to produce a range of phenotypes based on the initial variation seen within the initial population. E. It works equally well, because both principles use the idea of hereditary traits to pass along variation to offspring.
In the research on monkey-flower speciation, researchers found that mutations in as few as ____ genes
could result in speciation.
a. 2 b. 4 c. 8 d. 16 e. 25
In the electron transport system, the final hydrogen (electron) acceptor is
A. oxygen. B. ATP. C. acetyl. D. NAD.