Many biotic factors affect individuals in a population. An example of an organism being directly affected by a biotic factor is

an example of an organism being directly affected by a biotic factor is

a wood pecker makes holes in a trees bark and that allows insects into the tree killing it the biotic factors are the wood pecker and the insects the affected organism is the tree

Explanation:

a "theory" a suggestion that is not 100 % accurate, or a figure. some people say its a theory because they of all the passed theory's about one subject. it depends sometimes theory might be accurate and sometimes they are.