Chapter 10 Key terms Flashcards
biodiversity
the variety of organisms in a given area the genetic variation within a population the variety of species in a community or the variety of communities in an ecosystem
gene
a segment of DNA that is located in a chromosome and that codes for a specific hereditary trait
keystone
a species that is critical to the functioning of the ecosystem in which it lives because it affects the survival and abundance of many other species in its community
ecotourism
a form of tourism that supports the conservation and sustainable development of ecologically unique areas
endangered species
a species that has been identified to be in danger of extinction throughout all to a significant part of its range and that is thus under protection by regulations or conservation measures
threatened species
a species that has been identified to be likely to become endangered in the foreseeable future
exotic species
a species that is not native to a particular region
poaching
the illegal harvesting of a fish game or other speceis
endemic species
a species that has been identified to be in danger of extinction throughout all or a significant part of its range and that is thus under protection by regulations or conservation measures
germplasm
hereditary material chromosomes and genes that is usually contained in the protoplasm
endangered species act
a species that has been identified to be in danger of extinction throughout all or significant part of its range
habitat conservation plan
a land-use plan that attempts to protect threatened or endangered species across a given area by allowing some tradeoffs between harm to the species and additional conservation commitments among cooperating partiess
biodiversity treaty
an international agreement aimed at strengthening national control and preservation of biological resources associated with un conference on environment and development
