11:375:101 Chapter Notes - Chapter 4: Keystone Species, Generalist And Specialist Species, Ecosystem Diversity
7 Oct 2018
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Document Summary
Biodiversity - the variety of life on the earth. Species of diversity - the number and abundance of the different kinds of species living in an ecosystem. Species of richness - the number of different species in ecosystem. Species evenness - a measure of the comparative abundance of all species in an ecosystem. Genetic diversity - the variety of genes found in a population or in a species. Ecosystem diversity - refers to the earth"s diversity of biological communities such as deserts, grasslands, forests, mountains, etc. Biomes - large land ecosystems like forests, deserts, and grasslands. Ecotone - the area where two ecosystems merge. Functional diversity - the variety of processes such as energy flow and matter cycling that occur within ecosystems as species interact with one another in food chains and food webs. Ecological niche - a species" way of life in its ecosystem and includes everything that affects its survival and reproduction.
