Respuesta :
Answer:
A. Africa and South America only
Explanation:
I just took this test and c is not the correct answer!
On Africa and South America only found Cynognathus as a common ancestor.
How to find organisms that share Cynognathus as a common ancestor:
A common ancestor is a person(ancestor) that you and another person, or a group of people, are descended from. The term can technical be used to describe the ancestor that you are descended from, or any of their ancestor, since you are also descended from them.
It belonged to the group of mammal-like reptiles therapsids, and more specifically a sub group known as cynodonts. Mammals evolved from another cynodont species, so while not a direct ancestor, we are indeed related. Based on fossil, Cynognathus was about one meter long, with a stocky build.
Learn more about ancestor, refer:
https://brainly.com/question/15626337
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