BIOLOGY 197FH Lecture Notes - Lecture 17: Net Reproduction Rate, Sexual Coercion, Bowerbird
25 Apr 2016
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Document Summary
Female bowerbirds are susceptible to forced copulation when on the ground. Perhaps bowers originated as a means of reducing unwanted copulation. Ecology: the study of interactions among organisms and their environment. Biosphere: the global sum of all ecosystems the zone of life on earth. Biome: a major community which is classified based upon predominant vegetation and characterized by adaptations of organisms that encounter it. Ecosystem: a community of living organisms in conjunction with the nonliving components of their environment. These components are linked through nutrient cycles and energy flow. Community: an assemblage of populations of two ore more different species occupying the same geographic area in a particular time. Population: a group of individuals of a single species living in the same general area. Population ecology: how biotic and abiotic factors influence the density, distribution, size, and age structure of populations. Density: the number of individuals per unit area or volume.
