Question 1

Question

Gradual genetic development is often represented as a tree similar to the one shown in the diagram.

This diagram suggests that

a
only the most well-adapted organisms will survive.
b
different groups of organisms may have similar characteristics because of common ancestry.
c
speciation is a predictable event that happens every few years.
d
biochemical differences show that no two organisms could ever have had a common ancestor.

Answer 1

Correct answer: b
Different groups of organisms may have similar characteristics because of common ancestry.