Answer:
They typically have a tough, spiny surface, which inspired their name (in Greek, echinos means “spiny” and derma means “skin”). They also have the unusual ability to regrow lost body parts, and sea stars and brittle stars can regrow arms if broken off or eaten
Explanation:
<span>The MOSQUITO spreads more parasitic diseases to humans than any other vector.
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You mean what is the name of this complex? snRNP - small nuclear ribonucleoprotein
It does not produce hormones