Flexi Says: The environment is the natural surroundings that organisms live in. An organism’s environment includes all of the living and nonliving parts of their surroundings Abiotic factors are the parts of the environment that are not living, such as sunlight, climate, soil, water, and air. Biotic factors are the parts of the environment that are alive, or were alive and then died, such as plants, animals, and their remains. Biotic factors also include bacteria, fungi and protists.