Write a description of the ecosystem, including biotic and abiotic factors, in no more than four sentences.

An ecosystem consists of all organisms (of different species) in an area and their physical environment. Physical environment (landscape, climate, pH, salinity and other physical features) represent abiotic factors. Biotic factors are living beings in the ecosystem. Those are plants, animals, and other organisms. 

Bc they get tired from playing with other kittens