What was the evolutionary advantage of the modification of scales on reptiles to feathers on ancestral birds?
a. The feathers helped retain body heat.
b. Feathers provided a better means of expressing mating behavior.
c. Feathers provided flight.
d. Feathers made birds that evolved early less likely to become prey.
e. Feathers provided camouflage for nesting birds.
Ans: a. The feathers helped retain body heat.
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The large-scale patterns, trends, and rates of change among groups of species is
a. microevolution. b. macroevolution. c. species variation. d. population shift. e. population drift.
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