I just need to know this also i have too much points
What is biotic and abiotic?

Abiotic components are non-living chemical and physical factors in the environment which affect ecosystems. Biotic describes a living component of an ecosystem; for example organisms, such as plants and animals.

Hope this helps!

Biotic is relating to or resulting from living things, especially in their ecological relations.
abiotic is physical rather than biological; not derived from living organisms.
so basically biotic is living and abiotic is not living :)