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

tail and gill slits

Explanation:

Because their embryos have structures similar to gills, chickens and humans likely share a common ancestor with fish. Monkeys and bats have similar bone structure in their forelimbs.

Hope this helps:)

your answer should be c) enjoy!

i am going to guess that it is co2.