A scientist studying fossils, found that identical freshwater reptiles about 1 meter long were found in both South America and Africa. Since, these animals couldn’t have swum hundreds of miles across the Atlantic Ocean, what is the best explanation for how fossils of this creature were found in both places?

options:

A:The animals evolved to become the same exact species even though they lived in different environments.


B:The animals walked from Africa to South America because there used to be large valley that separated the continents, which has now been filled by the Atlantic Ocean.


C:The ancestors of this creature used to be able to fly. They flew from Africa to South America and then evolved into the freshwater reptiles the scientist discovered.


D:South America and Africa used to form a single landmass that later split apart. The fossils found on both continents shared a single habitat.


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