Asked by goog
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
Each animal independently evolved this trait.
c
These animals descended from a common ancestor.
d
Humans, mice, and giraffes have the same number of bones.
a
All vertebrates have seven vertebrae in their necks
b
Each animal independently evolved this trait.
c
These animals descended from a common ancestor.
d
Humans, mice, and giraffes have the same number of bones.
Answers
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