a. Name the phylum to which organisms like starfish and sea urchins belong.
b. Write two characteristics of this phylum which are peculiar of this group.
- Sea urchins and starfish belong to Phylum Echinodermata.
- Two characteristics of Phylum Echinodermata are:
i. They have tube feet for locomotion.
ii. They possess spiny exoskeleton.
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