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Introduction to Ecology•What is ecology?•Levels of biological hierarchy•Community Ecology–Types of interactions•What ecologists do–Detecting Patterns–Developing and testing hypotheses***Today’s lab!
Ecology is the study of:•interactions between organisms and their environment–Environment = biotic & abiotic environment•distribution and abundance of organisms/species•A way of understanding the natural world
Levels of biological hierarchy1.Individual organisms-Physiological, evolutionary, and behavioral ecology
Levels of biological hierarchy2.Populations = individuals of a species living in same locale-Densities, abundance, population dynamics-TODAY!
Levels of biological hierarchy3.Communities = different species living in same locale-Interactions between species, diversity, food webs-i.e. predation, mutualisms, competition -> TODAY as well.
Levels of biological hierarchy4.Ecosystems - all biotic and abiotic components of the system-Nutrient cycling, carbon cycle