What came 1st?

Obviously the chicken

Egg

its the egg I know this because there were creatures that laid eggs before the chicken and the genetic mutation that made the fist chicken happened in the egg

ur on the next level of scientist

after you see a chicken full on KO another chicken by pcecking an egg, getting their beeak stuck, and then yeeting it away into another chook, it makes you wonder

yea I saw a whole video about which came first, it was the chimken.

Egg

Its the Egg. The chicken we know nowadays was born out of an Egg. There's no debate