In the five kingdom classification,Chlamydomo | vedclass

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(A) $(A) :$ In order to develop phylogenetic classification,$R.H. Whittaker$ $(1969)$,an American taxonomist,divided all organisms into five kingdoms

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Protista

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(A) $(A) :$ In order to develop phylogenetic classification,$R.H. Whittaker$ $(1969)$,an American taxonomist,divided all organisms into five kingdoms based on five criteria:$(i)$ Complexity of cell structure (prokaryotic and eukaryotic).$(ii)$ Complexity of body structure (unicellular and multicellular).$(iii)$ Mode of nutrition.$(iv)$ Ecological lifestyle (producers,decomposers,and consumers).$(v)$ Phylogenetic relationship.All prokaryotic organisms were grouped under Kingdom $Monera$,and all unicellular eukaryotic organisms were placed in Kingdom $Protista$. Kingdom $Protista$ brought together $Chlamydomonas$ and $Chlorella$ (which were earlier placed in $Algae$ within $Plantae$ due to the presence of cell walls) along with $Paramecium$ and $Amoeba$ (which were earlier placed in $Animalia$ due to the absence of cell walls). This reclassification occurred because the criteria for classification changed.

In the five kingdom classification,Chlamydomonas and Chlorella have been included in

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