donavonbaeza3 donavonbaeza3

11-11-2020
Biology

contestada

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

chordates
echinoderms
arthropods
mollusks

Respuesta :

that1dud3 that1dud3

11-11-2020

Answer:

echinoderms

Explanation:

they are in the same family as starfish and sea urchins

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hm10209 hm10209

11-11-2020

Answer:

echinoderms

Explanation:

I hope this helps

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