GPH 210 Study Guide - Midterm Guide: Subsistence Agriculture, Total Fertility Rate, Coevolution

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30 Oct 2014
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Study guide exam 2 -- gph-210 society & environment, chapters 5, 6, 7, & 14. Also story of stuff & world in the balance. Two species cannot occupy the same niche and partitioning helps reduce overlap & competition: goal of ecologists. Producers= make their own food, photosynthesis e. g. plants. Consumers= all eat other foods : omnivores, carnivores, herbivores& detrivores e. g. animals/ humans. Decomposers= break down dead organisms and waste products. Loss affects many other: coevolution: arms race . Its original size due to environmental issues caused by human development, cant return normal: know something about each of the biomes mentioned in the text. (biome= large/distinct terrestrial regions with climate/elevation as a determining factor as. There are 9 major biomes, also known as ecosystems ) Tundra- northern latitudes, high elevations, treeless, permafrost, limited rain, few species, mosses, lichens, grasses, sedge lemmings, arctic foxes, ptarmigan, snowy owls, caribou, mosquitoes, black flies, deerflies.