- biology, a
species is the
basic unit of
classification and a
taxonomic rank of an organism, as well as a unit of biodiversity. A
species is
often defined...
- An
endangered species is a
species that is very
likely to
become extinct in the near ****ure,
either worldwide or in a
particular political jurisdiction...
- 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...
-
introduced species,
alien species,
exotic species,
adventive species,
immigrant species,
foreign species, non-indigenous
species, or non-native
species is a...
- An
invasive or
alien species is an
introduced species that
becomes overpo****ted and
harms its new environment.
Invasive species adversely affect habitats...
-
Speciesism (/ˈspiːʃiːˌzɪzəm, -siːˌzɪz-/) is a term used in
philosophy regarding the
treatment of
individuals of
different species. The term has several...
-
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...
- 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...
- (taxon),
usually a
species. The
moment of
extinction is
generally considered to be the
death of the last
individual of the
species,
although the capacity...
-
Version 2014.2 of the IUCN Red List of
Threatened Species identified 4574
Critically Endangered species,
subspecies and varieties,
stocks and subpo****tions...