A biological system or also called, a biotic community is
composed mainly of living organisms. These organisms can be classified into the
main layman categories of animals and plants, majorly. These creatures can be
more furthered classified by how they eat and survive. Plants can make their
own food through, photosynthesis. Animals eat and are dependent. Can be
classified into subtypes as: herbivores, omnivores and carnivores. What makes
all of these organisms a biotic community or a biological system is they
contain cells, cells are the basic unit and foundation of every living thing.
