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AP BIO

CH 56

QuestionAnswer
conservation biology the integrated study of ecology, evolutionary biology, physiology, molecular biology, and genetics to sustain biological diversity at all levels
endangered species a species that is in danger of extinction throughout all or a significant portion of its range
threatened species a species that is considered likely to become endangered in the foreseeable future
ecosystem services a function performed by an ecosystem that directly or indirectly benefits humans
introduced species a species moved by humans, either intentionally or accidentally, from its native location to a new geographic region; also called non-native or exotic species
Minimum Viable Population (MVP) the smallest populations size at which a species is able to sustain its numbers and survive
Effective Population size an estimate of the size of a population based on the numbers of females and males that successfully breed; generally smaller than the total population
movement corridor a series of small clumps or a narrow strip of quality habitat (usable by organisms) that connects otherwise isolated patches of quality habitat
biodiversity hot spot a relatively small area with numerous endemic species and a large number of endangered and threatened species
zoned reserve an extensive region that includes areas relatively undisturbed by humans surrounded by areas that have been changed by human activity and are used for economic gain
urban ecology the study of organisms and their environment in urban and suburban settings
critical load the amount of added nutrient, usually nitrogen or phosphorus that can be absorbed by plants without damaging ecosystem integrity
biological magnification a process in which retained substances become more concentrated at each higher trophic level in a food chain
greenhouse effect the warming of Earth due to the atmospheric accumulation of carbon dioxide and certain other gases, which absorb reflected infrared radiation and reradiate some of it back toward Earth
assisted migration the translocation of a species to a favorable habitat beyond its native range for the purpose of protecting the species from human-caused threats
sustainable development development that meets the needs of people today without limiting the ability of future generations to meet their needs
Created by: Fox Science