Question

Humans, mice, and giraffes have seven vertebrae in their necks. What can scientists conclude from this observation?

(1 point)
• These animals descended from a common ancestor.
• All vertebrates have seven vertebrae in their necks.
• Each animal independently evolved this trait.
• Humans, mice, and giraffes have the same number of bones.

Answer 1

[AI-generated answer — Bot GPT 3.5]

The statement suggests that these animals (humans, mice, and giraffes) share a common ancestor since they all have the same number of vertebrae in their necks. Thus, scientists can conclude that these animals descended from a common ancestor.