ECOLOGY Definition • Ecology = study of the interactions of living organisms with one another & with their physical environment Habitat • = the place where a particular population of a species live together ¿ What three things make something a species? 1. breed successfully viable, fertile offspring 2. unique features similar to others of same species 3. have similar DNA to other species members Population • = all the individuals of the same species that live in a given area • Examples? Community • = the many different populations that live in a given area Ecosystem • Definition = a community & all the physical factors in a given area • Abiotic – non-living factors examples? • Biotic – living factors examples?