Question

BRAINLIEST!! According to embryology, why do fish and birds have a common ancestor?

Answer 1

Answer:

Both fish and bird embryos exhibit gill slits and a tail.

Explanation:

According to embryology, all vertebrates exhibit similar traits and structures at their embryonic stage. It becomes very difficult to differentiate between the embryos of a fish, and that of a bird, or embryo of a fish, and a human. These traits, however, disappear, as the case may be, as the embryo develops into an adult. For example, in the case of the embryo of a fish, and a bird, both shows gills slits at their respective embryonic stage. However, the gill slits in fish develop into gills, whereas in the case of birds, it disappears as the embryo develops into an adult.

Answer 2

Answer:

A, They both have embryos with gill slits and tails.

I learned it and took the quiz on edge2020(i got 100% so trust me)

this is the correct answer.