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

a
heights
b
patterns in limb structures
c
tooth features
d
number of bones

Answer 1

B) Patterns in limb structures would be the best evidence to support the argument that organisms share an ancestor. Similar limb structures in different organisms suggest that they evolved from a common ancestor that had a similar limb structure. This is seen in animals such as mammals and birds, which have similar limb structures despite being from different evolutionary lineages.