If bacteria are much too small to see, what is one reason why we can see colonies in the Petri dishes that have plenty of food to eat after only a few days?

hi~~

i would say that hybridization occurs frequently in nature, because there are many types of hybrids that have occurred naturally, such as the mule (male donkey + female horse)

yes, because even though a theory has a  lot of evidence to support it, it is not always true

i think this picture will you.

bal is blood alcohol level. bac will normally be higher in a person with more body fat. so the answer to your question would be, as body fat decreases, the increasing rate of bal decreases.