ECOLOGY :
Ecology is the study of interactions among organisms or group of organisms with their environment. The environment consists of both biotic components (living organisms) and abiotic components (non- Living organisms). Ecology is study of ecosystems.
ECOSYSTEM :
Ecosystem is the basic functional unit of ecology. The term ecosystem is coined from a greek word meaning study of home.
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 exchanging and matter.
example - Animals cannot synthesis their food directly but depend on the plants either directly or indirectly.
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