SUMMARY As a branch of biology, Ecology is the study of the relationships of living organisms with the abiotic (physico-chemical factors) and biotic components (other species) of their environment. It is concerned with four levels of biological organisation-organisms, populations, communities and biomes.
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Are Study.com courses and credit by exam courses transferable to my college? What are Study.com's exam policies for college credit courses? Can taking Study.com online college courses impact becoming a CPA? What score is needed to pass a Study.com online college course? What colleges accept Study.com online college credits?