• A species (pl.: species) is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can...
    103 KB (10,485 words) - 15:09, 25 March 2024
  • Speciesism (/ˈspiːʃiːˌzɪzəm, -siːˌzɪz-/) is a term used in philosophy regarding the treatment of individuals of different species. The term has several...
    80 KB (9,138 words) - 21:07, 23 March 2024
  • Thumbnail for Endangered species
    An endangered species is a species that is very likely to become extinct in the near future, either worldwide or in a particular political jurisdiction...
    42 KB (4,241 words) - 13:57, 17 March 2024
  • Thumbnail for Invasive species
    An invasive species is an introduced species to an environment that becomes overpopulated and harms its new environment. Invasive species adversely affect...
    124 KB (12,669 words) - 20:54, 21 March 2024
  • Thumbnail for Introduced species
    introduced species, alien species, exotic species, adventive species, immigrant species, foreign species, non-indigenous species, or non-native species is a...
    51 KB (5,668 words) - 11:16, 10 March 2024
  • Thumbnail for Type species
    In zoological nomenclature, a type species (species typica) is the species name with which the name of a genus or subgenus is considered to be permanently...
    6 KB (796 words) - 07:21, 30 November 2023
  • Thumbnail for On the Origin of Species
    On the Origin of Species (or, more completely, On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle...
    162 KB (18,468 words) - 00:04, 15 March 2024
  • Thumbnail for Extinction
    Extinction (redirect from Species loss)
    last member if it loses the capacity to reproduce and recover. Because a species' potential range may be very large, determining this moment is difficult...
    105 KB (11,171 words) - 19:49, 21 March 2024
  • Thumbnail for Species complex
    precise meanings are cryptic species for two or more species hidden under one species name, sibling species for two (or more) species that are each other's closest...
    42 KB (3,667 words) - 07:00, 19 February 2024
  • the IUCN Red List of Threatened Species identified 5220 (2754 animals, 1 fungus, 2464 plant, 1 protist) endangered species, subspecies and varieties, stocks...
    2 KB (160 words) - 17:26, 26 December 2022
  • Thumbnail for Keystone species
    A keystone species is a species that has a disproportionately large effect on its natural environment relative to its abundance, a concept introduced in...
    27 KB (3,004 words) - 21:50, 4 February 2024
  • Thumbnail for Vulnerable species
    A vulnerable species is a species which has been categorized by the International Union for Conservation of Nature as being threatened with extinction...
    6 KB (758 words) - 05:05, 10 March 2024
  • A species description is a formal scientific description of a newly encountered species, usually in the form of a scientific paper. Its purpose is to...
    15 KB (1,740 words) - 14:59, 22 September 2023
  • Thumbnail for Least-concern species
    A least-concern species is a species that has been categorized by the International Union for Conservation of Nature (IUCN) as evaluated as not being a...
    8 KB (346 words) - 17:51, 4 March 2024
  • Species is a 1995 American science fiction horror film directed by Roger Donaldson and written by Dennis Feldman. It stars Ben Kingsley, Michael Madsen...
    41 KB (4,663 words) - 13:13, 15 February 2024
  • Thumbnail for Rat
    Rat (redirect from Rat species)
    Rats are various medium-sized, long-tailed rodents. Species of rats are found throughout the order Rodentia, but stereotypical rats are found in the genus...
    63 KB (6,785 words) - 03:57, 18 March 2024
  • Thumbnail for Wikispecies
    Wikispecies (redirect from WikiSpecies)
    Foundation. Its aim is to create a comprehensive open content catalogue of all species; the project is directed at scientists, rather than at the general public...
    6 KB (590 words) - 13:34, 18 September 2023
  • Version 2014.2 of the IUCN Red List of Threatened Species identified 4574 Critically Endangered species, subspecies and varieties, stocks and subpopulations...
    2 KB (184 words) - 17:26, 26 December 2022
  • Thumbnail for Critically Endangered
    An IUCN Red List Critically Endangered (CR or sometimes CE) species is one that has been categorized by the International Union for Conservation of Nature...
    7 KB (788 words) - 14:35, 9 March 2024
  • Thumbnail for Binomial nomenclature
    system"), also called binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, both of which...
    57 KB (6,507 words) - 06:10, 28 March 2024
  • A chemical species is a chemical substance or ensemble composed of chemically identical molecular entities. The set of these entities can explore the...
    2 KB (228 words) - 06:01, 16 December 2023
  • number of lists of fictional species: List of fictional extraterrestrials (by media type) Lists of fictional alien species: A, B, C, D, E, F, G, H, I,...
    3 KB (183 words) - 19:10, 16 February 2024
  • Thumbnail for IUCN Red List
    International Union for Conservation of Nature (IUCN) Red List of Threatened Species, also known as the IUCN Red List or Red Data Book, founded in 1964, is...
    27 KB (2,522 words) - 07:50, 21 March 2024
  • extinct (EX) species. It excludes near threatened (NT), data deficient (DD), and prehistoric species. The following is a list of animal species classified...
    51 KB (280 words) - 15:32, 28 January 2024
  • A rare species is a group of organisms that are very uncommon, scarce, or infrequently encountered. This designation may be applied to either a plant...
    22 KB (726 words) - 15:36, 26 January 2024
  • A species concept is a framework for differentiating different species. There are at least 26 recognized species concepts, and difficulty in reconciling...
    28 KB (3,098 words) - 02:00, 17 October 2023
  • Thumbnail for Species richness
    Species richness is the number of different species represented in an ecological community, landscape or region. Species richness is simply a count of...
    7 KB (823 words) - 18:37, 8 December 2023
  • extinction event. Bamboo species can be divided into two groups: sympodial (clumping) and monopodial (running) species. Sympodial species grow from the soil...
    67 KB (319 words) - 15:24, 12 March 2024
  • Thumbnail for Endangered Species Act of 1973
    The Endangered Species Act of 1973 (ESA or "The Act"; 16 U.S.C. § 1531 et seq.) is the primary law in the United States for protecting and conserving...
    140 KB (16,709 words) - 06:25, 22 March 2024
  • Invasive Alien Species is a list of invasive species compiled in 2000 from the Global Invasive Species Database, a database of invasive species around the...
    27 KB (616 words) - 09:50, 4 March 2024