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Some Definition Related To Species

1) Sibling species or Cryptic species: -

  • Members of species which are morphologically similar but reproductively isolated are known as sibling species i. e. they cannot interbreed among themselves.
  • Sibling species is one taxonomic species (because these members have similar morphology) but they are different biological species. [Because they cannot interbreed]

eg. Brassica oleracea

2) Allopatric species: -

  • The species found in different geographical regions and have geographical barriors between them are known as allopatric species.
  • Geographical barriors like hills, oceans, Himalayan Mountains

3) Sympatric species: -

  • The species found in similar geographical regions.

4) Allochronic species… (142 more words) …

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Understanding Nomenclature


Nomenclature is defined as a system of names and terms used in a particular field of study or community.

Nomenclature is the terminology used in a particular science, art, activity, etc.

Binomial system:

Binomial nomenclature is a system for naming plants and animals by means of two Latin names: the first indicating the genus and the second the species to which the organism belongs.

Understanding the meaning of Binomial nomenclature

Understanding the Meaning of Binomial Nomenclature

What is Binomial nomenclature?

  1. Binomial system was first proposed by Gaspard Bauhin in his book – “Pinax Theatre Botanica”

  2. Carolus Linnaeus: - Linnaeus used this nomenclature system for the… (215 more words) …

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