Diversity in the Living World

Phylum Platyhelminthes (Flatworms)

Tapeworm

Simplest triploblastic organisms showing bilateral symmetry.

Mostly parasites in other animals.

Body in dorsoventrally flat and leaf like or ribbon-like with bilateral symmetry.

The body cavity has only one opening which serves as both the mouth and the anus.

Hermaphrodites i.e, male and female sex organs present in one individual.

Example: Planaria, Liver Fluke, Tape Worm

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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
Animations
	Classification of Plants
	Classification of Animals

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