The Six Kingdoms. When Linnaeus developed his system of classification, there were only two kingdoms, Plants and Animals. But the use of the microscope led to the discovery of new organisms and the identification of differences in cells.A two-kingdom system was no longer useful.Today the system of classification includes six kingdoms.he Six Kingdoms. When Linnaeus developed his system of classification, there were only two kingdoms, Plants and Animals. But the use of the microscope led to the discovery of new organisms and the identification of differences in cells.
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The purpose of this paper is to provide a vision for the K-12 education system in the 21st century. The. Premierâs Technology Council (PTC) is not recommending that the existing system be torn apart but. it must transform if it is to prepare students to be successful in our rapidly changing world. The PTC.