Which of the following characteristic feature is unique to Phylum Echinodermata?

They are triploblastic

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They have true coelom

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They have spiny skin

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They are found only in marine condition.

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Solution

The correct option is C
They have spiny skin

The animals belonging to Phylum Echinodermata have an endoskeleton of calcareous ossicles and hence, they are named as Echinodermata. All the other above mentioned features are also seen in Phylum Echinodermata but they are not unique to the Phylum.

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Similar questions

The characters given below are of a phylum. Identify the phylum.

1. Their most distinctive feature is the rows of cilia that help them in locomotion

2. Soft bodied

3. They are exclusively marine creatures with specimens found in very deep seas

4. Predatory organisms with a defined mouth.

5. A very unique property of these animals is bioluminescence

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