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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 produce fertile offspring, typically by sexual reproduction. [1] . It is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity.
Order Family Scientific name English common name Chinese common name Mammalia Mammals 哺乳類 1 Chiroptera Chiroptera, all species of all genera and all families Bats 蝙蝠 2 Primates Primates, all species of all genera and all families except an
An introduced species, alien species, exotic species, adventive species, immigrant species, foreign species, non-indigenous species, or non-native species is a species living outside its native distributional range, but which has arrived there by human activity, directly or indirectly, and either deliberately or accidentally.
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 taxonomically associated, i.e., the species that contains the biological type specimen (or specimens). [1] . A similar concept is used for suprageneric groups and called a type genus. [2]
Gross domestic product (GDP) is the market value of all final goods and services from a nation in a given year. [2] . Countries are sorted by nominal GDP estimates from financial and statistical institutions, which are calculated at market or government official exchange rates.
ISO 3166-1 – Codes for the representation of names of countries and their subdivisions – Part 1: Country codes [2] defines codes for the names of countries, dependent territories, and special areas of geographical interest. It defines three sets of country codes :
Dymaxion map of the world with the 30 largest countries and territories by area This is a list of the world's countries and their dependencies by land, water, and total area, ranked by total area.The entries in this list include, but are not limited to, those in the ISO 3166-1 standard, which includes sovereign states and dependent territories.
