An atmosphere is a network of dwelling organisms along with the nonliving additives of their surroundings, interacting as a machine. These biotic and abiotic components are related collectively via nutrient cycles and strength flows. Energy enters the system through photosynthesis and is integrated into plant tissue. By feeding on flowers and on one another, animals play an important position inside the motion of be counted and energy through the device. They additionally have an effect on the quantity of plant and microbial biomass gift.  Ecosystems are controlled by outside and internal elements. External elements inclusive of weather, figure material which bureaucracy the soil and topography, control the overall shape of an ecosystem however are not themselves influenced with the aid of the atmosphere. Unlike outside factors, inner factors are managed, for example, decomposition, root competition, shading, disturbance, succession, and the types of species gift.