The calcareous plates found underneath the epidermis are called the
A) Ambulacrae.
B) Tiedemann's bodies.
C) Madreporite.
D) Pedicellariae.
E) Ossicles.
Correct Answer:
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Q9: Tube feet run along the _ groove
Q11: The most active of all echinoderms are
Q12: The orientation of a sea star is
A)a
Q13: Water enters the water vascular system of
Q15: Echinoderms are
A)mostly pelagic or free-swimming in open
Q16: Unique characteristics of echinoderms include all of
Q18: Which of the following are considered "irregular"
Q20: Deuterostome characteristics
A) Mouth develops from or near
Q22: A sea star feeds by absorbing food
Q30: The oral tentacles of the sea cucumber
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