What is the best explanation for why so many related organisms are found in Africa and South America?
A) Dispersal
B) The two continents were once part of the same continent.
C) Biotic interexchange
D) The species are endemic.
E) None of the above

Question

Quizplus · Accepted Answer

Africa and South America were once part of the same larger landmass, called Gondwana, which separated around 100 million years ago. As a result, many of the organisms that evolved on this larger landmass were isolated on either Africa or South America, leading to the development of similar but distinct species.

What Is the Best Explanation for Why So Many Related