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The term echinodermata refers to _____ organisms.

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Spin skin

Spiny

Spiny skinned

None of the above

answer is C.

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Detailed Solution

The term echinodermata refers to spiny skinned organisms i.e. this group of Animalia consists of animals whose skin have spines on it like that of hedgehog, sea-star, sea-urchin, etc.

Here echinos refers to hedgehog i.e. a spiny skinned mammal while derma refers to skin.

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