What is one biotic factor that affects the size of a population in an ecosystem?

A) local geography

B) number of predators present

C) average yearly temperature

D) average yearly precipitation

Respuesta :

Remember that a biotic factor is a living component in an ecosystem that affects the population of another organism. So that means that the answer is B.
B) number of predators present 

biotic factors are living factors not the atmosphere , which is non-living i.e abiotic 

hope it helped