Sand dollars are radially symmetrical and have an internal skeleton but no backbone. Which phylum do sand dollars belong in?

A) chordates
B) echinoderms
C) arthropods
D) mollusks

Respuesta :

Hello there. ^-^

Sand dollars are radially symmetrical and have an internal skeleton but no backbone. Which phylum do sand dollars belong in?

B) echinoderms

Answer:

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Explanation:

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