Chapter 14 and 15 Study Guide Answers

modern-day giraffes had short necks but stretched. their necks as they tried to reach leaves in trees; so, their descendants were born with longer necks. Darwin would have said that in a population of. ancestral giraffes, some had slightly longer necks. than others; the long-necked giraffes were better. able to feed on tree leaves and as a ... ................
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