Before revision: Organisms Echinoderms Some organisms in this environment, specifically those in the intertidal zone, are sea stars , sea anemones, sponges, worms, clams, mussels, predatory crustaceans, barnacles and small fish.
After revision: Organisms Echinoderms Some organisms in this environment, specifically those in the intertidal zone, are starfishmarine , sea anemones, sponges, worms, clams, mussels, predatory crustaceans, barnacles and small fish.