Biotic – Living
Biotic factors are actions of living things which influence others.
The bachelor decided to buy a tick (biotic) as the central art piece to go in the middle of his living room to impress other (influence others) people when they visited.
Competition between species for food such as that between lions and hyenas is an example of a biotic factor.
Predation such as foxes preying on rabbits is a biotic factor that affects both species.