Lesson Overview. 3.1 What Is Ecology?. The Science of Ecology. Ecology is the scientific study of interactions among and between organisms and their physical environment.
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3.1 What Is Ecology?
Ecological studies may focus on levels of organization that include the following:
Population—a group of individuals that belong to the same species and live in the same area
Community—an assemblage of different populations that live together in a defined area
Ecosystem—all the organisms that live in a place, together with their physical environment
Biome—a group of ecosystems that share similar climates and typical organisms
Biosphere—our entire planet, with all its organisms and physical environments
What are the biotic factors that influenced the elk in the Madison River Drainage?Biotic Factors