Business / Agriculture / Threatened Species: Species listed by regulation under ESA, and are generally given a lower level of protection than endangered species.
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Business / Agriculture / Endangered Species: Species of animals or plants likely to go extinct in the foreseeable future unless current trends are altered. They are listed by regulation under the Endangered Species Act and assigned the Act?€� MORE
Business / Agriculture / Endangered Species Act (ESA) Of 1973: P.L. 93-205 (December 28, 1973), as amended, is one of the major federal laws protecting species and the ecosystems on which they depend. While states generally have primacy in wildlife law, this is o MORE
Science / Marine Biology / Species-Area Effect: A regular logarithmic relationship between the number of species in a confined geographic area (e.g., an island) and the area in which the species occur MORE
Science / Biology / Species Richness: The number of species present in a community. MORE
Science / Biology / Species Packing: The phenomenon in which present-day communities generally contain more species than earlier communities because organisms have evolved more adaptations over time. MORE
Science / Biology / Subspecies: A taxonomic subdivision of a species; a population of a particular region genetically distinguishable from other such populations and capable of interbreeding with them. MORE