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Question

Differentiate between the following.

Sponges and echinoderms.


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Solution

  1. Organisms belonging to phylum Porifera have spongy appearance therefore they are termed as sponges.
  2. Organisms belonging to the phylum Echinodermata are known as echinoderms.

Sponges

Echinodermata

1.Sponges have pores all over their body.1.Echinoderms have spines on their skin.
2.Sponges are sessile meaning they cannot move from one place to another.2.Echinoderms have tube feet for locomotion.
3.They are mostly asymmetrical.3.They show radial symmetry.
4.Example:- Sycon, Cliona.4.Example:- Starfish, sea-urchin.

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