Question

Which traits do human embryos have that link them to a common ancestor with fish and reptiles? scales and tail gill slits and scales tail and gill slits hair and tail

Answer 1

C. scales tail and gill slits

• Traits that human embryos have that link them to a common ancestor with fish and reptiles are scales tail and gill
• This is because their embryos have structures similar to gills, chickens and humans likely share a common ancestor with fish.
• Fish embryos and human embryos both have gill slits.
• In fish they develop into gills, but in humans they disappear before birth.
• The embryos of this hippo, frog, and rabbit all looked very similar in their early stages of development.

Therefore, option C is correct.

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Answer 2

Answer:

scale an gills

Explanation: