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Carlos learns that all living things have cells with the same system of genetic material. Scientists have concluded that this shows that all living things had a common ancestor.

Carlos finds this difficult to understand as he looks at pictures of a dog and snake. He cannot see many similarities between them, but what shows evidence of their common evolutionary past?

A. DNA
B. gene transfer
C. natural selection
D. endosymbiosis


Sagot :

Pls don’t quote me on this but I think it’s B