Physical environment (abiotic component) include abiotic substance and abiotic environment. Physical environment such as light, temperature, mineral, moisture, pH, saltiness affect to living things such as the number of life, spread of life, the population and behavior of biotic. The relationship that dynamic equilibrium by natural for survival of ecosystem.
Biological environment (biotic component) living things are surround and interaction by the role of trophic level or food chain. They have producer, consumer and decomposer.