give any 5 example with reason for drawbacksa of two kingdom classification?

Drawbacks of two kingdom classification-

  • There was no distinction between eukaryotes and prokaryotes. For example- bacteria which lack nuclear envelope & cytoplasmic organelles but still they are placed in kingdom plantae.
  • It kept photosynthetic and non photosynthetic organism together in plant kingdom. For example- Fungi which lack chlorophyll and are saprotrophic still placed in kingdom plantae.
  • There are some organism which neither fall into plant or animal kingdom, like lichens.
  • There are some organisms which have the characters of both plants & animals  like euglena, chlamydomonas  so can be placed in any kingdom.
  • Unicellular plants like diatoms and animals like protozoans which have same level of organization and reproduce by fission but they are placed in different knigdoms.

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