Which came first the chicken or the egg (this is for a school asignment i promise)

fs the chicken

Explanation:

two birds that weren't really chickens created a chicken egg, and hence, we have an The egg came first, and then it hatched a chicken.

Explanation:

only about ten percent of the energy at one trophic level is passed on to organisms at the next trophic level. the remainder of the energy is used in life processes or lost as heat.