21. How is natural selection in the evolution of long necks in giraffes best explained? a. Shorter-neck giraffes were killed by long-necked giraffes b. Giraffes stretched their neck to reach the tops of trees, leading to a longer neck c. Giraffes with longer necks survived because they could more easily reach their food d. Long-necked giraffes only mated with other long-neck giraffes e. None of the above

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Chapter1: A View Of Life
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Problem 6TYU: Darwin suggested that evolution takes place by (a) mutation (b) changes in the individuals of a...
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21. How is natural selection in the evolution of long necks in giraffes best explained?
a. Shorter-neck giraffes were killed by long-necked giraffes
b. Giraffes stretched their neck to reach the tops of trees, leading to a longer
neck
c. Giraffes with longer necks survived because they could more easily reach
their food
d. Long-necked giraffes only mated with other long-neck giraffes
e. None of the above
Transcribed Image Text:21. How is natural selection in the evolution of long necks in giraffes best explained? a. Shorter-neck giraffes were killed by long-necked giraffes b. Giraffes stretched their neck to reach the tops of trees, leading to a longer neck c. Giraffes with longer necks survived because they could more easily reach their food d. Long-necked giraffes only mated with other long-neck giraffes e. None of the above
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