Crustaceans
Cleaner shrimp
Hermit Crab
Echinoderms
Sea Urchin
Sea Buscuit
Brittle Star
Tuesday, March 15, 2011
Crustaceans and Echinoderms
Crustaceans are arthropods, creatures that have biolateral semetry, includes lobster, shrimp, crabs and barnacles. Echinoderms have spiky skin, includes the sea star, sea cucmber, brittle stars and sea urchins. The difference between them is that the crustaceans have an exoskeleton and the echinoderms have an endoskeleton. Similarities between them are they all start off as small as plankton.
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