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Extant
 
 
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Extant is a term commonly used in biology
Biology

Biology is a branch of the natural sciences concerned with the study of living organisms and their interaction with each other and their environment ....
 to refer to taxa (such as species
Species

In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring....
, genera
Genus

A genus is a low-level taxonomic rank used in the classification of living and fossil organisms. The taxonomic ranks are domain , kingdom , phylum, class , order , family , genus, and species....
 or families
Family (biology)

In biological classification, family is a taxonomic rank. Exact details of formal nomenclature depend on the Nomenclature Codes which applies....
) that are still in existence (living). The term extant contrasts with extinct. For example, Brandt's Cormorant
Brandt's Cormorant

The Brandt's Cormorant is a strictly marine bird of the cormorant family of seabirds that inhabits the Pacific coast of North America. It ranges, in the summer, from Alaska to the Gulf of California, but the population north of Vancouver Island bird migration south during the winter....
 is an extant species, while the Spectacled Cormorant
Spectacled Cormorant

The Spectacled Cormorant or Pallas's Cormorant is an Extinction marine bird of the cormorant family of seabirds that inhabited Bering Island and possibly other places in the Komandorski Islands....
 is an extinct species. Likewise, of the group of molluscs known as the cephalopod
Cephalopod

The cephalopods are the mollusc class Cephalopoda characterized by bilateral symmetry, a prominent head, and a modification of the mollusk foot, a muscular hydrostat, into the form of cephalopod arms or tentacles....
s, there are approximately 600 extant species and 7500 extinct species.








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Extant is a term commonly used in biology
Biology

Biology is a branch of the natural sciences concerned with the study of living organisms and their interaction with each other and their environment ....
 to refer to taxa (such as species
Species

In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring....
, genera
Genus

A genus is a low-level taxonomic rank used in the classification of living and fossil organisms. The taxonomic ranks are domain , kingdom , phylum, class , order , family , genus, and species....
 or families
Family (biology)

In biological classification, family is a taxonomic rank. Exact details of formal nomenclature depend on the Nomenclature Codes which applies....
) that are still in existence (living). The term extant contrasts with extinct. For example, Brandt's Cormorant
Brandt's Cormorant

The Brandt's Cormorant is a strictly marine bird of the cormorant family of seabirds that inhabits the Pacific coast of North America. It ranges, in the summer, from Alaska to the Gulf of California, but the population north of Vancouver Island bird migration south during the winter....
 is an extant species, while the Spectacled Cormorant
Spectacled Cormorant

The Spectacled Cormorant or Pallas's Cormorant is an Extinction marine bird of the cormorant family of seabirds that inhabited Bering Island and possibly other places in the Komandorski Islands....
 is an extinct species. Likewise, of the group of molluscs known as the cephalopod
Cephalopod

The cephalopods are the mollusc class Cephalopoda characterized by bilateral symmetry, a prominent head, and a modification of the mollusk foot, a muscular hydrostat, into the form of cephalopod arms or tentacles....
s, there are approximately 600 extant species and 7500 extinct species.

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