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Paraspecies

Index Paraspecies

A paraspecies (a paraphyletic species) is a species, living or fossil, that gave rise to one or more daughter species without itself becoming extinct. [1]

10 relations: Anagenesis, Brown bear, Cladogenesis, Extinction, Paraphyly, Peripatric speciation, Polar bear, Smooth-toothed pocket gopher, Species, Tuatara.

Anagenesis

Anagenesis is an evolutionary pattern defined by a gradual change that occurs in a species without the need for splitting.

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Brown bear

The brown bear (Ursus arctos) is a bear that is found across much of northern Eurasia and North America.

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Cladogenesis

Cladogenesis is an evolutionary splitting event where a parent species splits into two distinct species, forming a clade.

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Extinction

In biology, extinction is the termination of an organism or of a group of organisms (taxon), normally a species.

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Paraphyly

In taxonomy, a group is paraphyletic if it consists of the group's last common ancestor and all descendants of that ancestor excluding a few—typically only one or two—monophyletic subgroups.

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Peripatric speciation

Peripatric speciation is a mode of speciation in which a new species is formed from an isolated peripheral population.

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Polar bear

The polar bear (Ursus maritimus) is a hypercarnivorous bear whose native range lies largely within the Arctic Circle, encompassing the Arctic Ocean, its surrounding seas and surrounding land masses.

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Smooth-toothed pocket gopher

The smooth-toothed pocket gophers, genus Thomomys, are so called because they are among the only pocket gophers without grooves on their incisors.

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Species

In biology, a species is the basic unit of classification and a taxonomic rank, as well as a unit of biodiversity, but it has proven difficult to find a satisfactory definition.

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Tuatara

Tuatara are reptiles endemic to New Zealand.

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References

[1] https://en.wikipedia.org/wiki/Paraspecies

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