Original sentence: For example, "polar bear biology" might include the study of the polar bear's physiology, morphology, pathology and ontogeny as well as its ecology,  whereas "polar bear ecology" would include a study of its prey species, its population and metapopulation status, distribution, dependence on environmental conditions, etc
Edited sentence: For example, "polar bear biology" might include the study of the polar bear's physiology, morphology, pathology and ontogeny,  whereas "polar bear ecology" would include a study of its prey species, its population and metapopulation status, distribution, dependence on environmental conditions, etc