Question
SeSD
Jackson, Chardaisia
In an old classification system, gorillas and chimpanzees were grouped with orangutans. Recent studies helped classify chimpanzees and gorillas along with humans, as shown.
Old Classification System
New Classification System
hominoidea
hominoidea
hominidae
hylobatidae
hominidae
ponginae
hylobatidae
homininae
ponginae
homo pan gorilla [pongo hylobates
•hominini
gorillini
homo pan gorilla pongo hylobates
human
HAAS IANAS
human chimp gorilla orangutan gibbon
What is the most likely reason for the reclassification of chimpanzees and gorillas?
• New findings suggest that chimpanzees evolved to become humans and gorillas.
• New findings suggest that chimpanzees, humans, and gorillas evolved at the same time.
• New findings suggest that chimpanzees and gorillas share a closer common ancestor with humans.
• New findings suggest that chimpanzees, humans, and gorillas have the exact same anatomy.
Answer
New findings suggest that chimpanzees and gorillas share a closer common ancestor with humans.