behaviors that are determined by genes and that give an organism increased reproductive success usually become common in a
species due to

idk lol use google m8

bacteria could be both, harmful and to us. harmful bacteria could make us sick and probably even by getting the chances of getting a disease, but good bacteria fight it off with your immune system. there is always bacteria everywhere we go. we need to make sure to wash our hands after using the restroom, before eating, after eating, after petting an animal too. so you see, bacteria is everywhere and is harmful or . i hope this . : ) : ) : )

idk and i also need to know where are those bio brainy acts lol