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单词 cladogenesis
释义

cladogenesis


clad·o·gen·e·sis

C0381100 (klăd′ə-jĕn′ĭ-sĭs)n. An evolutionary process that involves the splitting off or branching of new taxa from an ancestral form.
[Greek klados, branch + -genesis.]
clad′o·ge·net′ic (-jə-nĕt′ĭk) adj.clad′o·ge·net′i·cal·ly adv.

cladogenesis

(ˌklædəˈdʒɛnəsɪs) n (Biology) adaptive evolution leading to a greater variety of species

Cladogenesis


cladogenesis

[‚klad·ə′jen·ə·səs] (evolution) Evolution associated with altered habit and habitat, usually in isolated species populations.

Cladogenesis

 

(from Greek klados, “branch,” and “genesis”), a form of evolution of a group of living organisms leading by means of divergence to an increase in the number of separate species, genera, and families. The term, introduced by the German biologist B. Rensch in 1947, is often used as a synonym for speciation in the narrow sense—not completely accurately, since cladogenesis includes any increase in evolutionary diversity. The concept of cladogenesis is closely related to adaptive radiation and idioadaptation.

REFERENCES

Takhtadzhian, A. L. Sistema i filogeniia tsvetkovykh rastenii. Moscow-Leningrad, 1966. Pages 15–25.
Rensch, B. Neuere Probleme der Abstammungslehre: Die transspezifische Evolution, 2nd ed. Stuttgart, 1954.

cladogenesis


cladogenesis

(klăd′ə-jĕn′ĭ-sĭs)n. An evolutionary process that involves the splitting off or branching of new taxa from an ancestral form.
clad′o·ge·net′ic (-jə-nĕt′ĭk) adj.clad′o·ge·net′i·cal·ly adv.

cladogenesis

the branching of a phylogenetic tree to produce new forms and new species which evolve in their own way.
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