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Question 3 0.85 pts CHOOSE THE BEST ANSWER Elephas 5 million years old Mastodont 5 million years old Tetrabelodon 20 million
UIT yuars Old Tetrabelodon 20 million years old Paleomastodont 30 million years old Moeritherium 50 million years old this fi
Moeritherium 50 million years old In this figure, fossil elephant skulls are shown along with their age. Based on these fossi
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Answer #1

Ans : Option 4

\odot With greater use, tusks grew longer within an elephants' lifetimes and thus successive generation had longer tusks.

Reason : Darwin set a an evolution hypothesis that

  • Phenotypic variation exists among individuals and the variation is heritable.
  • Those individuals with heritable traits better suited to environment (survival of the fittest) will adapt to changes and develop new or modified traits.
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