4. Over time, new species have evolved while
others have become extinct. Which of the
following most likely supports how giraffes
evolved long necks?
a. More long-necked giraffes survived to
pass on their genes.
b. More short-necked giraffes survived to
pass on their genes.
c.
Short-necked giraffes modified their
diets to evolve into a new species.
d. Short-necked giraffes grew longer necks
to reach higher leaves.
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