Class 9 Biology Diversity In Living Organisms Porifera

Porifera

The organisms belonging to this group have holes.

The animals of this group are non- motile and are attached to some rigid support.

The organisms belonging to this group have pores throughout their body.

They have a canal system circulates the water throughout the body of these organisms to transport the food and oxygen.

These organisms are covered with a hard external layer or skeleton.

Examples of animals belonging to this group are Euplectelea, Sycon, Spongilla.

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