biotic factors are living things that are alive or once were alive (bones, dead leaves, etc). abiotic are things that are not alive, like the sun, temperature, climate, precipitation,etc.
A biotic factor is a factor in an ecosystem that is living or once was living. For example, a tree, grass, a bird, people etc. biotic factors also don't currently have to BE alive. A decomposing tree...
a biotic factor is anything that is alive such as a plant or animal. an abiotic factor is the contrary anything that is not alive such as a rock or light or dirt.