ECHINODERMATA
FT. STARFISH, SEA-CUCUMBER, SEA-URCHIN
FUN FACTS:
- Mature echinoderms have radial symmetry
- Echinoderms are marine animals found at every ocean depth (intertidal to abyssal)
- Most echinoderms can regenerate tissue, limbs, and even organs
- Scientists hypothesize that echinoderms were responsible for the Mesozoic revolution of marine life
- The phylum has no freshwater or terrestrial members
- The phylum contains about 7,000 living species