1. Which structure of the excretory system in humans is responsible for converting ammonia into urea? - Liver is responsible for converting ammonia into urea.
2. Breathing in humans is driven by all of the following except
B. Air Pressure.
Hope I helped. Have a wonderful day.
Organisms who happen to be best suited to an environment and reproduce most successfully will be consider successful in terms of natural selection.
Cells because most living things like plant life and humans are made up of cells and animals are made up of cells too!
bro this is so easy,
if to animals fight, the one more adapted, prepared or psychically built will win will the weaker one lose and die, which is natural selection at its finest.