Diversity in Living Organisms

Phylum Aschelminthes (Round or Thread Worm)

Features of Phylum Aschelminthes

Aschelminthes or nemathelmenthes includes round or thread worm.

Triploblastic body showing bilateral symmetry

Parasitic or free living

Body is long, smooth and cylindrical

Alimentary canal begins with the mouth and ends with the anus

Example: Ascaris (Round worm), Enterobius (Pinworm)

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	Introduction
	Importance of Classification
	Nomenclature
	Classification of Plants and Animals
	Plant Kingdom
	Animal Kingdom
	Phylum Protozoa (Primitive Animals)
	Phylum Porifera (Sponges)
	Phylum Coelenterata (Cridaria)
	Phylum Platyhelminthes (Flatworms)
	Phylum Aschelminthes (Round or Thread Worm)
	Phylum Annelida (Segmented Worms)
	Phylum Arthropoda (Animals with Jointed Legs)
	Phylum Mollusca
	Phylum Echinodermata
	Phylum Hemichordata
	Phylum Chordata
	Question and Answers
	Multiple Choice Questions

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