Abiotic factors make up a big and important part of an ecosystem, and consist of <u>non-living</u><u> chemical and physical parts of the environment that interact with living organisms</u>. Examples of abiotic factors include <u>light, temperature, water, and soil</u>. These abiotic factors, though they're not living, <u>their presence is key for the survival of the biotic factors</u> (living organisms).