Why do bird embryos have gill slits?

(i’m confused, i think it has something to do with the

Explanation:

bird embryos have gill slits because, yes, of evolution. These slits are found in the embryos of all vertebrates because they share as common ancestors the fish in which these structures first evolved. even human beings have gill slits as embryos that disappear before birth.

because the asteroid belt is between the mars and jupiter orbits, it is around 2.2 to 3.2 astronomical units (au) from the sun – which is approximately 329,115,316 to 478,713,186 km. the average distance between objects is a massive 600,000 miles.

explanation:

answer; ///i believe its: ///(embolus);