Humans, mice, and giraffes have seven vertebrae in their necks. What can scientists conclude from this observation?
2 answers
Scientists can conclude that all three species share a common ancestor that had seven vertebrae in their necks. This suggests that this particular trait has been conserved throughout evolution in these different species.
humans, mice, and giraffes have seven vertebrae in their necks. what can scientists conclude from this observation?
A. All vertebrates have seven vertebrae in their necks.
B. Humans, mice, and giraffes have the same number of bones.
C. Each animal independently evolved this trait.
D. These animals descended from a common ancestor.
A. All vertebrates have seven vertebrae in their necks.
B. Humans, mice, and giraffes have the same number of bones.
C. Each animal independently evolved this trait.
D. These animals descended from a common ancestor.
1 answer