Explain the basis of grouping oragnisms into five kingdoms.
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Here is the answer of the question that u asked :--
The basis for grouping organisms into five kingdoms is:
(i) Nature of the cells, i.e.,either prokaryotic or eukaryotic cells.
(ii) Number of cells, i.e., unicellular (a cell living singly) or multicellular (complex organisms).
(in) Presence or absence of cell wall.
(iv) Mode of nutrition, i.e., whether they prepare their own food or get their food from outside.
It may help you..
Here is the answer of the question that u asked :--
The basis for grouping organisms into five kingdoms is:
(i) Nature of the cells, i.e.,either prokaryotic or eukaryotic cells.
(ii) Number of cells, i.e., unicellular (a cell living singly) or multicellular (complex organisms).
(in) Presence or absence of cell wall.
(iv) Mode of nutrition, i.e., whether they prepare their own food or get their food from outside.
It may help you..
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Answered by
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Whittaker ( 1959 ) has based his scheme of Classification of living organisms into five Kingdoms ( namely Monera , Protista , Fungi , Plantae and Animalia ) on following four bases :
1) COMPLEXITY OF CELL STRUCTURE :- There are two broad Categories of cell structure : Prokaryotic and Eukaryotic . Thus zx two broad groups can be formed - one having Prokaryotic cell structure and the other having eukaryotic cell structure . Presence or Absence of cell wall is another important characteristics .
2) UNICELLULAR AND MULTICELLULAR ORGANISMS :- This characteristic makes a very basic distinction in the body designs of organisms and helps in their broad categorizations .
3) MODE OF NUTRITION :- Organisms basically have two types of nutrition - autotrophic ( they can manufacture their own food ) and heterotrophic ( they obtain their food from external environment , I.e., from other organisms ) . Thus , organisms can be broadly classified into different groups on the basis of their mode of nutrition .
4) PHYLOGENETIC RELATIONSHIP :- Phylogeny is the evolutionary history or ancestry of an organism . It is believed that the simple organisms are primitive and complex organisms are advanced . Thus , primitive and advance nature of organisms also helps in their Classification into broad groups . For example , the Monera are believed to have given rise to Protista , from which the remaining three kingdom of multicellular organisms have evolved .
1) COMPLEXITY OF CELL STRUCTURE :- There are two broad Categories of cell structure : Prokaryotic and Eukaryotic . Thus zx two broad groups can be formed - one having Prokaryotic cell structure and the other having eukaryotic cell structure . Presence or Absence of cell wall is another important characteristics .
2) UNICELLULAR AND MULTICELLULAR ORGANISMS :- This characteristic makes a very basic distinction in the body designs of organisms and helps in their broad categorizations .
3) MODE OF NUTRITION :- Organisms basically have two types of nutrition - autotrophic ( they can manufacture their own food ) and heterotrophic ( they obtain their food from external environment , I.e., from other organisms ) . Thus , organisms can be broadly classified into different groups on the basis of their mode of nutrition .
4) PHYLOGENETIC RELATIONSHIP :- Phylogeny is the evolutionary history or ancestry of an organism . It is believed that the simple organisms are primitive and complex organisms are advanced . Thus , primitive and advance nature of organisms also helps in their Classification into broad groups . For example , the Monera are believed to have given rise to Protista , from which the remaining three kingdom of multicellular organisms have evolved .
Thnxxx dear
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