CONCEPT OF ECOLOGY AND ECOSYSTEM COMMUNITY HEALTH NURSING ppt

ecology

All living organism, whether plant or animal or human being is surrounded by the environment, on which it derive its needs for its survival. Each living component interacts with non –living components for their  basic requirements form different ecosystem.

Ecosystem

A group of organisms interacting among themselves and  with environment is known as ecosystem. Thus an ecosystem is a community of different species interacting with one another and with their non living environment and one another and  with their non- living environment  exchanging energy and matter.

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