The natural world is a finely-tuned balance of biotic (living) and abiotic (nonliving) components that shape our environments. Various biotic factors directly affect processes like population growth, ...

Decomposers, like worms and beetles ... This film explains the difference between biotic and abiotic, terrestrial, freshwater and ocean water ecosystems and the importance weather has on the ...

The biotic parts of the ecosystem, which include bacteria, flora and fauna, have a complex relationship with the abiotic components - changing one will lead to a change in the other.