The branch of science (biology) dealing with the relations
and interactions between organisms and their environment, including other organisms
is termed as ecology. It’s also defined as the study of relationships between
living organisms and their environment or the set of relationships of a
particular organism with its environment. The word “ecology” was first coined
by a germen zoologist, Ernst Haeckel (1834-1919).
The sum total of all surroundings includes abiotic and biotic
factors is called environment.
Levels of
Organization of Ecology
The levels of organizations are divided into following
headings:
1. Living organism: single, may be
any type of living organism
2. Population: total of all living
organisms of same species living and interacting in a particular area or
habitat and reproduce to give offspring.
3. Community: different type of
population interacting at particular geological area.
4. Ecosystem:
living organism interacts with their physical environment interconnected with
different populations transfer energy and material between them.
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