Question

biological classification

Answer 1

Biological classification is how biologists group organisms. The classification has its root in the work of Aristotle who invented a multi-ranked system. A great influence was Carolus Linnaeus, who popularized the idea of binomial nomenclature using a two-part name indicating the genus, and the species.

Answer 2

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• Total number of animal species are 1.25 millions. A lot of variations occur in their structure and function. They exhibit great diversity in structure, habitat, habits and modes of life
• So understand the interactions among highly diversified animal group a Systematic classification is needed which is biological classification
• Father of taxonomy, founder of modern systematics was Carolous Linnaeus. He has introduced the system if hierarchical classification
• Numerical taxonomy and phylogentic classification both of which are natural systems of classification emerged during 19 th and 20th centuries
• Phylogentic classification is also called cladistic classification. It is an evolutionary classification and it explains how the common ancestry was scared by different animal groups
• This classification emphasize on genetic distance between all species of phylogentic tree. This tree like diagrams for phylogeny was introduced by the Earnst Hackel
• Cladistic classification considers the occur once of analogous classification by convergent evolution. Different organisms live in the same environment share these characteristics. Genetically they are distantly related ex:wings of sparrow and petagia of flying squirrels
• It is also considered as homologous characters are functionally different from the structural plan and development. It is also called as divergent evolution

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