The calcareous plates found underneath the epidermis are called the
A) ambulacrae.
B) tiedemann's bodies.
C) madreporite.
D) pedicellariae.
E) ossicles.
Correct Answer:
Verified
Q8: The common name for chaetognaths is
A)arrow worms.
B)acorn
Q9: Tube feet run along the _ groove
Q10: Arrow worm anatomy
A)lacks any coelom.
B)lacks a complete
Q11: The most active of all echinoderms are
Q12: The orientation of a sea star is
A)a
Q14: The fossil record of echinoderms
A)is sparse with
Q15: Echinoderms are
A)mostly pelagic or free-swimming in open
Q16: Unique characteristics of echinoderms include all of
Q17: Water enters the water vascular system of
Q18: Which of the following are considered "irregular"
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