What is the difference between abiotic and biotic factors?

Biotic factors are things that are alive or have lived. Ex. a tree, a frog, etc.
Abiotic factors are things that are not alive or have never lived. Ex. gold, a rock, a bicycle, etc.


Read more: http://wiki.answers.com/Q/What_is_the_difference_between_biotic_and_abiotic_factors_affecting_an_ecosystem#ixzz1x3GnPI00