Which of the following best describes the evolutionary relationship between modern humans and chimpanzees?
answers:
a. humans descended from apes, while chimpanzees evolved from a different, more primitive ancestor.
b. humans and chimpanzees are both primates that diverged from primitive common ancestors.
c. humans descended from chimpanzees and therefore have the same evolutionary ancestors.
d. humans evolved independently of chimpanzees and do not share a common ancestor.