Question

when did ecosystem come into existence

Answer 1

"An ecosystem is a community of living organisms in junction with the nonliving components of their environment( air, water and mineral soil), interacting as system. These Biotic and Abiotic components are regarded as linked together through nutrient cycle and energy flows.
An ecosystem are defined by the network of interaction among organisms and between organisms and their environment, they can be of any size but usually encompas specific, limited spaces ( although some scientists say that the entire planet is an ecosystem.)"

Answer 2

Explanation:

Theophrastus described interrelationships between stuff and other stuff as early as the 4th century BC. Ecology developed substantially in the 18th and 19th century. It began with Carl Linnaeus and his work with the economy of nature.