According to Research Presented by the Authors of Your Text

Multiple Choice

According to research presented by the authors of your text, humans' two closest primate relatives (sharing 98 percent of DNA with humans) are the ________, known for their aggressive nature, and the ________, known for their peaceful nature.

A) bonobos; chimpanzees
B) pygmy chimps; bonobos
C) chimpanzees; bonobos
D) bonobos; pygmy chimps