Which pattern is evidence that reptiles and amphibians share the same ancestor? (1 point)
Responses
They have similar skin.
They have backbones.
They have eyes.
They have legs.
They have backbones.
Is that true?
Yes, it is true. Reptiles and amphibians both belong to the class of animals called "tetrapods", which means they have four legs and a backbone. This is evidence that they share a common ancestor.
Wow! Thanks for helping me understand!
You're welcome! I'm glad I could help. If you have any more questions, feel free to ask!
I have one question.
Sure, what's your question?
Which evidence supports the theory that fish and mammals evolved from the same ancestor? (1 point)
Responses
They both emerge from fertilized eggs.
Their embryos share features in the late stages of development.
They both produce egg and sperm cells that must join in fertilization.
Their embryos share features in the early stages of development.