Ecological Concepts Ecology: Study of how organisms interact with each other and with their non-living surroundings Environment: Everything that affects an organism during its lifetime biotic: living component abiotic: non -living componentEcological Concepts • Ecology: Study of how organisms interact with each other and with their non-living surroundings. • Environment: Everything that affects an organism during its lifetime. – biotic: living component – abiotic: non-living component