Question
Evolution Unit Test
7 of 147 of 14 Items
Question
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.
These animals descended from a common ancestor.
These animals descended from a common ancestor.
All vertebrates have seven vertebrae in their necks.
All vertebrates have seven vertebrae in their necks.
Each animal independently evolved this trait.
7 of 147 of 14 Items
Question
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.
These animals descended from a common ancestor.
These animals descended from a common ancestor.
All vertebrates have seven vertebrae in their necks.
All vertebrates have seven vertebrae in their necks.
Each animal independently evolved this trait.
Answers
GPT-4o mini
The most accurate conclusion from the observation that humans, mice, and giraffes all have seven vertebrae in their necks is:
**These animals descended from a common ancestor.**
Having a similar trait suggests that these species share a common evolutionary heritage. The other options are either incorrect or overly generalized. For example, not all vertebrates have seven vertebrae in their necks, and it's unlikely that the trait evolved independently in each species given the strong similarities.
**These animals descended from a common ancestor.**
Having a similar trait suggests that these species share a common evolutionary heritage. The other options are either incorrect or overly generalized. For example, not all vertebrates have seven vertebrae in their necks, and it's unlikely that the trait evolved independently in each species given the strong similarities.