Within the Chordate Classes, the Unique Characteristic of the Class

Q1: Match the order of the eutherian mammal

Q2: A fish with a cartilaginous skeleton and

Q3: The amphibians are believed to have arisen

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

Q6: Echinoderms are unique because:<br>A) their larvae are

Q7: Birds are most closely related to:<br>A) reptiles.<br>B)

Q8: The first function of feathers was most

Q9: Compare and contrast characteristics of amphibians and

Q10: The chordate nerve cord is hollow and

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