Intertidal Chitons and Snails Use the ____ as a Means

Q14: Even though echinoderms are considered advanced invertebrates,

Q15: Match the molluscan class with its most

Q16: Molluscs having two jointed valves or shells

Q17: _ are sea stars that have greatly

Q18: An ancient class of echinoderms whose members

Q20: Discuss 3 reasons why the crustaceans are

Q21: The crabs, lobster, and true shrimp are

Q22: Which is not a typical food item

Q23: Sea cucumbers belong to the class Echinoidea.

Q24: The valves of bivalves are closed by