The process that discriminates between phenotypes with respect to their ability to produce offspring is known as
a. natural selection.
b. gene flow.
c. genetic drift.
d. migration.
b
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The Emerson enhancement effect
A) explains the lack of O2 release during anoxygenic photosynthesis. B) results from the activity of three photosystems. C) explains the synergistic effect of two wavelengths of light on photosynthesis. D) makes it possible for plants to avoid the glyoxylate pathway. E) accounts for the major difference between C3 and C4 plants.
Mutations can create new alleles that
are beneficial to the organism's fitness. have no effect on the fitness of the organism. decrease the fitness of the organism. All of the choices are correct.
The foramen magnum at the center rear of the skull is an adaptation for bipedalism in hominids
____________________ Indicate whether the statement is true or false.
Four of the five answers listed below are components of the human respiratory system. Select the exception
a. thoracic cavity b. trachea c. diaphragm d. spiracle e. larynx