The biotic components of an ecosystem are all the living things. The biotic coponents are trees, animals etc.
Abiotic resources -
These are non-living factors of an ecosystem. Light, water, temperature, air and soil are some of the abiotic components.
biotic resources are those resources which are obtained from biosphere and have life.
eg. flora , fauna , livestock.
Abiotic resources are those resources which are composed of non living things.
eg. rocks and minerals