If female humans make milk why do males have nippels
real questen

Men have nipples because of a quirk in how embryos develop.

Explanation:

Hope this helps.

God.

Explanation:

if you remember God made Eve from Adam's ribs and organs, so thats why. basically just because God likes us this way

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.