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Env Science Week 4

Week 4 Vocabulary for Environmental Science

local extinction when a species dies out only in a certain region but exists somewhere else
mass extinction total loss of a species everywhere
conservation biology discipline that brings together many fields to attempt to prevent extinction of species, destruction of ecosystems, & other biodiversity problems
sustainability when economic needs are met while also protecting the environment
poaching illegally hunting certain species, usually for profit
climax community ecosystem that is mature & will remain stable if left alone
barren bare land, without soil or living things growing on or in it
primary succession slow process of building an ecosystem in an area that is barren and has never had any kind of soil or life there before;takes hundreds to thousands of years
pioneer species hardy, fast-growing species such as moss, lichen, and bacteria that are the first organisms to take hold during primary succession
secondary succession quicker growth of an ecosystem in an area that was previously inhabited by living organisms but may have been destroyed by fire, flood, etc. (Usually there are some seeds or other nutrients left to build on again)
Created by: jodytwining