Robert Whittaker, a scientist, spent countless months , even years, observing and learning about organisms. He wanted to think up ways to classify them and make them further accurate.
Thus began his research. He studied the characteristics of living organisms, the proposed classification systems, and even made his own classifications.
In creating his classification system, Whittaker had a criteria that included cell structure, thallus organization, mode of nutrition, reproduction, and phylogenetic relationships. These criterias helped him in his research which resulted in him finishing the 5 kingdom classification.
ANIMALIAThe taxonomic kingdom of extinct and living animals.
MONGERABiological kingdom made up of prokakryotes
5 KINGDOM CLASSIFICATION
PLANTAEIncludes all types of plants whether eukaryotic, multicellular, or autotrophic organisms.
FUNGIEukaryotic organisms such as yeast or molds.
PROTISTAEukaryotes that are not fungi, animals, or plants. These are usually usually unicellular
Finally, in the 60's, he proposed and explained his idea to other scientists around the world. Thankfully, it was widely accepted by them and even new studies were born thanks to this.
Now, the 5 kingdom classification created by Whittaker has served as the standard classification system used in textbooks and is taught in schools.
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