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Inga [223]
4 years ago
14

What characteristic is unique to echinoderms?

Biology
2 answers:
sveta [45]4 years ago
8 0
They have 5 legs or arms with a central part in the middle. 
s2008m [1.1K]4 years ago
8 0

All echinoderms bodies are divided into 5 parts. Starfish, for example, all have five arms and five sets of digestive and reproductive organs. If an arm breaks off, it will grow back.

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