You and your friend inspect a group of fossils from different organisms with various features. Your friend is convinced that all of the fossils are unrelated, but you find evidence that these organisms share an ancestor. What is an example of evidence that you could use to best support this argument.

Question

You and your friend inspect a group of fossils from different organisms with various features. Your friend is convinced that all of the fossils are unrelated, but you find evidence that these organisms share an ancestor. What is an example of evidence that you could use to best support this argument.

A. heights
B. patterns in limb structures
C. tooth features
D. number of bones

Answer 1

B. patterns in limb structures

By examining the patterns in limb structures among the different fossils, you can identify similarities in the way the limbs are designed and positioned. This can suggest a common ancestor from which these organisms evolved, as they share similar features in their skeletal structures. This evidence would support the argument that the organisms are related and descended from a common ancestor.