Biological Classification - Four Kingdom
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Description:
The invention of electron microscope helped to reveal many structures that were previously not clear. Structure of bacteria and other related organisms became clear and the structural difference between bacteria and other organisms were identified. Some of the important contributions of four kingdom classification system were −
This system identified that prokaryotes did not have a true nucleus in contrast to eukaryotes which have a true nucleus.
Copeland in 1956 created a separate kingdom Monera.
Living world was divided into 4 kingdoms- Monera, Protista, Plantae and Animalia.
In this system fungi continued to remain with plantae.
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