Well one way is how hurricane winds and such can blow birds off course. Another is how when trees fall down that forces animals to relocate.
chlorine because it has 7 electrons on the outer shell
<span>An ecosystem consists of a population of organisms and its
physical environment, and a population is made up of many different
communities of organisms. Every one of the creatures of similar species
living together that live in a particular biological system are known
as a populace The people in the populace contend with one another for
sustenance, settling space, and mates.</span>
Well its easy the Bt gene is inserted into one plant cell by using a bacterial plasma.
