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The hierarchy of biological classification's eight major taxonomic ranks. A genus contains one or more species. Minor intermediate ranks are not shown. A species (pl.: species) is a population 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 helpful to be able to understand the source of scientific names. Although the Latin names do not always correspond to the current English common names, they are often related, and if their meanings are understood, they are easier to recall. The binomial name often reflects limited knowledge or hearsay about a species at the time it was named.
Binomial nomenclature for species has the effect that when a species is moved from one genus to another, sometimes the specific name or epithet must be changed as well. This may happen because the specific name is already used in the new genus, or to agree in gender with the new genus if the specific epithet is an adjective modifying the genus ...
The swamp deer differs from all other Indian deer species in that the antlers carry more than three tines. Because of this distinctive character it is designated bārah-singgā, meaning "twelve-horned" in Hindi. [4] Mature stags usually have 10 to 14 tines, and some have been known to have up to 20. [5]
Hindi is spoken as a first language by about 77,569 people in Nepal according to the 2011 Nepal census, and further by 1,225,950 people as a second language. [86] A Hindi proponent, Indian-born Paramananda Jha, was elected vice-president of Nepal. He took his oath of office in Hindi in July 2008.
Nodding, falling headlong or face down; inclined, stooping, or bowing forward. Applied to many species with a nodding, stooping habit, such as many Narcissus and Dierama species. Many plant species bear the specific epithet "cernua". cespitose An alternative spelling of caespitose, meaning tufted or turf-like, e.g. the growth form of some ...
At the species level, subjective synonyms are common because of an unexpectedly large range of variation in a species, or simple ignorance about an earlier description, may lead a biologist to describe a newly discovered specimen as a new species. A common reason for objective synonyms at this level is the creation of a replacement name.
Species evenness is the relative number of individuals of each species in a given area. [181] Species richness [182] is the number of species present in a given area. Species diversity [183] is the relationship between species evenness and species richness. There are many ways to measure biodiversity within a given ecosystem.