Life Style / Christmas Trees / Species: Taxonomic classification below genus. Also a group of individuals considered set apart form other species by consistent differences in morphology, ecology or reproductive behavior.
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Science / Biology / Species Richness: The number of species present in a community. MORE
Science / Biology / Species Diversity: The number of living species on Earth. MORE
Business / Agriculture / Exotic Species: A species that is not native to a region. MORE
Science / Marine Biology / Native Species: A species that occurs naturally in an area (i.e. Is not introduced). Compare introduced species, invasive species. MORE
Business / Agriculture / Threatened Species: Species listed by regulation under ESA, and are generally given a lower level of protection than endangered species. 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