Five Kingdom Classification

Classification of Living Things

In nomenclature, naming of different organisms is done in a systematic way which is recognised in all parts of the world.

G. Simpson has defined systematics as the scientific study of types and diversity of organisms of relationships am .... Read More

Invertebrates and Non-chordates

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Phylum Chordata is a group of highly developed animals, including more than 75,000 living species.

The characteristic features of chordates are the presence of notochord, nerve cord and pharyngeal gill slits. Out of these three, only ne .... Read More

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