contestada

1. Why are echinoderms called spiny-skinned animals?
2. What features do all echinoderms have in common?
3. How do echinoderms move and get their food?

Respuesta :

BodaciousT
1. Because they are characterized by their rough spiny skin

2. Their one thing in common is that they all have radial symmetry

3. They use their tubed feet to walk on the ocean floor and use their five teeth to eat their food which is most of the time algae

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