The Snake Family Typhlopidae Consists of Small,burrowing Species with Vestigial

question 20

Multiple Choice

The snake family Typhlopidae consists of small,burrowing species with vestigial eyes.They are found in Australia,sub-Saharan Africa,India and some adjacent areas,and South America.What is the most likely explanation for this distribution?

• A)rafting to the different continents from the point of origin on one of these continents
• B)convergent evolution in the different regions
• C)origin on Gondwana followed by continental drift and some range expansion
• D)all of the above

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