Chapter 10 Vocabulary

The value that living organisms or species have in their own right; in other words, organisms and species do not have to be useful to have value

The value that living organisms or species have in virtue of their benefit to people; the degree to which they benefit humans

Passed in 1900, the first national act that gave protection to wildlife by forbidding interstate commerce in illegally killed animals

The enterprises involved in promoting tourism of unusual or interesting ecological sites

The federal legislation that mandates the protection of species and their habitats which are determined to be in danger of extinction

A species whose total population is declining to relatively low levels such that, if the trend continues, the species will likely become extinct

A species introduced into a geographical area to which it is not native

The evolutionary process whereby populations of a single species are separate and, through being exposed to different forces of natural selection, gradually develop into distinct species

The death of all individuals of a particular species; when this occurs, all the genes of that particular line are lost forever