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Snakes, dogs, and humans have a vertebral column. Snakes and dogs have tails, and humans have vestigial tailbones. Dogs and human
limbs, but snakes do not. Most reptiles lay eggs, but a few give birth to live young. What do these structures suggest about the evolutiona
between the three organisms?
Snakes and dogs are more closely related than snakes and humans.
Snakes and humans are more closely related than humans and dogs.
Dogs and humans are more closely related than snakes and humans.
Dogs, snakes, and humans share a common ancestor.
The early ancestor of snakes and dogs is the same, and the early ancestor of humans is different.



Answer :

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Final answer:

Dogs, snakes, and humans share a common ancestor, with snakes and humans being more closely related based on anatomical traits.


Explanation:

Dogs, snakes, and humans share a common ancestor. The presence of homologous structures like vertebral columns and vestigial tailbones in these organisms indicates a shared evolutionary history. Snakes and humans are more closely related than humans and dogs in terms of evolutionary relationships inferred from anatomical traits. The evolution of these structures suggests a common ancestry among the three organisms.


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