A group of similar organisms which are genetically distinct and reproductively isolated, is called a/an -

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RRB JE Previous Paper 1 (Held On: 22 May 2019 Shift 2)
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  1. Class
  2. Order
  3. Species
  4. Family

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Option 3 : Species
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A group of similar organisms which are genetically distinct and reproductively isolated, is called a Species.

  • Species in biology, classification, comprising related organisms that share common characteristics and are capable of interbreeding. 
  • A species is the biggest gene pool possible under natural conditions.
  • Individuals of a single species can mate and produce viable offspring with one another but almost never with members of other species.
  • Every species is assigned a standard two-part name of genus and species.
  • The genus is the generic name that includes closely related species;
  • Correct order of classification is
    • Domain, kingdom, phylum, class, order, family, genus, species.
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