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Nataliya [291]
3 years ago
10

Which is not an echinoderm? A) sea star B) sea urchinC) sand dollarD) spider

Biology
2 answers:
amid [387]3 years ago
4 0
A echinoderm is a marine invertebrate. Starfish, Sea urchin, and Sand dollar, all of following are echinoderms. A spider is a an arachnid. Which means a spider is NOT a echinoderm.

Answer: D) Spider
Leto [7]3 years ago
3 0
Spider (echinoderms have no freshwater or land based organisms)
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