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AP Bio chapter 47

Conservation of Biodiversity

TermDefinition
biodiversity Total number of species, the variability of their genes, and the communities in which they live
biodiversity hotspot Region of the world that contains unusually large concentrations of species.
bioinformatics Area of scientific study that utilizes computer technologies to analyze large sets of data, typically in the study of genomics and proteomics.
climate change Recent changes in the Earth’s climate; evidence suggests that this is primarily due to human influence, including the increased release of greenhouse gases
conservation biology Discipline that seeks to understand the effects of human activities on species, communities, and ecosystems and to develop practical approaches to preventing the extinction of species and the destruction of ecosystems
ecosystem diversity Variety of species in a particular locale, dependent on the species interactions.
edge effect Phenomenon in which the edges around a landscape patch provide a slightly different habitat than the favorable habitat in the interior of the patch.
endangered species A species that is in peril of immediate extinction throughout all or most of its range (e.g., California condor, snow leopard)
exotic species Nonnative species that migrate or are introduced by humans into a new ecosystem; also called alien species.
flagship species Species that evoke a strong emotional response in humans; charismatic, cute, regal (e.g., lions, tigers, dolphins, pandas).
genetic diversity Variety among members of a population.
keystone species Species whose activities significantly affect community structure.
landscape A number of interacting ecosystems
landscape diversity Variety of habitat elements within an ecosystem (e.g., plains, mountains, and rivers).
metapopulation Population subdivided into several small and isolated populations due to habitat fragmentation.
overexploitation When the number of individuals taken from a wild population is so great that the population becomes severely reduced in numbers.
pollution Any environmental change that adversely affects the lives and health of living things.
sink population Population that is found in an unfavorable area where at best the birthrate equals the death rate; sink populations receive new members from source populations
source population Population that can provide members to other populations of the species because it lives in a favorable area, and the birthrate is most likely higher than the death rate.
threatened species Species that is likely to become an endangered species in the foreseeable future (e.g., bald eagle, gray wolf, Louisiana black bear).
Created by: arincon1
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