Plant kingdom is the living organism which includes all plants. A living organism would belongs to plant kingdom by justifying their plant features.
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Plant kingdom is a subject under which we study all the plants starting from the unicellular algae to the most developed angiosperms (flowering plants) both morphologically and anatomical studies are involved. basically it is used to classify the plants. there are class like thallophyta bryophyta pteridophyta gymnosperms and angiosperms
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