Echinoderms Have the Ability to Osmoregulate Regardless of the Salinity

Q6: Class Asteroidea<br>A)have pentaradial symmetry.<br>B)feeds on clams.<br>C)feeds on

Q7: The function of the papulae in the

Q8: According to recent reclassification,the Chaetognatha are now

Q9: Acornworms<br>A)are usually found in deep water zones.<br>B)do

Q10: Sea stars have light sensitive organs,the _,at

Q13: The fossil record indicates crinoids are more

Q14: A unique characteristic of echinoderms is<br>A)the endoskeleton

Q16: The Class _ have internal respiratory trees

Q29: The mouth of the brittle star is

Q85: The ancestor of the echinoderms had _