Zoology

Hemichordata

Phylum Hemichordata

Hemichordates are vermiform, solitary or colonial enterocoelous coelomate animals having intra-epidermal nervous system and a pre-oral gut with or without gillslits and…

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Phylum Protozoa

Protos—first, Zoan—animal, First animal phylum Study of protozoans called Protozoology Father of protozoology – Antony von Leeuwenhoek Term Protozoa was assigned by…

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