The Echinoderms That Most Closely Resemble Fossil Forms Are the

Q4: If a brittle star is grasped by

Q5: Regeneration of lost parts of a sea

Q6: Which of the following is a characteristic

Q7: Enteropneusta and Pterobranchia are classes of animals

Q8: Echinoderms and hemichordates are more closely related

Q10: In sea stars,contraction of the _ force

Q11: The skeleton of sea urchins consists of

Q12: Coiled masses of fecal material called _

Q13: Sea cucumbers belong to the echinoderm class<br>A)Holothuroidea.<br>B)Crinoidea.<br>C)Asteroidea.<br>D)Ophiuroidea.<br>E)Concentricycloidea.

Q14: The characteristic larval stage of brittle stars