Briefly explain how cell differentiation and cell death are both needed to develop such structures as human hands and feet.

Ifound this information on google “yes. they have a mouth and brain at one end and an anus at the opposite end. what characteristics distinguish an annelid from other worms? annelids have segmented bodies and a coelem which is a tube filled with fluid and contains most of the organs.“ i hope it you

Hello we have the same names lol.biology is the study of living beings , that is, all plants and animals including humans.

Ten percent of energy is transferred from sun to the level indicated.

Probably a behavioral adaptation