1. Ecology: is the study of the interactions of living things with their physical environment, and with one another.
2. Habitat: is a place where an organism is found/that can sustain/support life.
3. Population: is the total number of organisms, of the same species, living together in the same place, that can reproduce fertile offspring among
themselves, at a given time.
4. Ecosystem: is the collection of different organisms, living together in a place, interacting among themselves and the physical environment.
5. Community: is where different population, living together, in the same place mutually interdependent.
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