Based on the observation that humans, mice, and giraffes all have seven vertebrae in their necks, scientists can conclude that these animals descended from a common ancestor. This shared trait suggests a level of evolutionary relationship among these species, indicating that the trait was likely inherited from a common ancestral species that also had seven neck vertebrae.
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. These animals descended from a common ancestor. These animals descended from a common ancestor. All vertebrates have seven vertebrae in their necks.
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