Scientists can conclude that "These animals descended from a common ancestor." This observation suggests that the presence of seven vertebrae in the necks of humans, mice, and giraffes indicates a shared evolutionary trait that likely originated from a common ancestor.
Humans, mice, and giraffes have seven vertebrae in their necks. What can scientists conclude from this observation?
(1 point)
Responses
Humans, mice, and giraffes have the same number of bones.
Humans, mice, and giraffes have the same number of bones.
Each animal independently evolved this trait.
Each animal independently evolved this trait.
All vertebrates have seven vertebrae in their necks.
All vertebrates have seven vertebrae in their necks.
These animals descended from a common ancestor.
1 answer