Asmall piece of cactus beaks off the plant, falls to the ground, and begins to grow

A small piece of cactus beaks off the plant falls to the ground and begins to grow. - It is an Asexual reproduction.

Hope this helps!

It might. it might because if you think about if they discovered if we came from (lets say something funny like aliens) and thy found cells that matched and they would have t do more research about it but would most probably change their theory.