Identify the Five Main Classes of Echinoderms

Q5: Order _ includes the snakes.<br>A) Apoda<br>B) Chelonia<br>C)

Q5: Placoid scales are found on:<br>A) fleshy-finned fishes.<br>B)

Q9: Describe the modifications seen in birds for

Q11: All echinoderms are found:<br>A) in marine habitats.<br>B)

Q11: Tunicates are _ in the phylum _.<br>A)

Q14: Which structure is used to help regulate

Q15: Which term describes an animal that lays

Q20: Hagfishes are differentiated from lampreys and all

Q29: Metamorphosis occurs in which of the following

Q33: Spiny echidnas are unlike other mammals in