Interesting Facts!

• Echinoderms are intricate parts of their ecosystems, many are keystone predators and without them a population boom/decline can occur in species lower in the food chain and emensly change their habitat.



• Sea urchin eggs are also edible and often served in sushi bar



• 500 mollion years ago when echiniderms first appeared they were sessile



• 6000 species of echinoderms