The speciation of cichlid fishes of the same African crater lake is an example of
a. divergence.
b. parapatry.
c. gene flow.
d. allopatry.
e. sympatry.
e
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How does a plant's cuticle allow it to live on land?
A. By increasing structural support B. By preventing the gametes from drying out C. By preventing water loss D. By absorbing nutrients from the soil
A chemical agent that kills pathogenic microbes in general is a(n)
A) sanitizer. B) germicide. C) disinfectant. D) fungicide. E) antiseptic.
Which scientist disproved the theory of spontaneous generation?
A) Einstein B) Pauling C) Crick D) Watson E) Pasteur
After the citric acid cycle, all of the carbon atoms from the original glucose molecule are:
A) taken into NADH. B) taken into ATP. C) released as carbon dioxide. D) recycled back to glycolysis. E) donated to NAD+