Which of these statements about echinoderms is CORRECT?
A) The skeleton of echinoderms is ectodermal in origin.
B) Feather stars belong to the class Echinoidea.
C) Echinoderms are unsegmented.
D) Echinoderm embryos develop into a trochophore larvae.
E) Some echinoderms are colonial.
Correct Answer:
Verified
Q1: Echinoderms and chordates are significantly different to
Q2: Embryonic development in echinoderms and chordates is
Q4: Although echinoderms appear to have radial symmetry,
Q5: When the spicules of an echinoderm are
Q6: The water vascular system is
A) coelomic in
Q7: The tube feet in echinoderms are extended
Q8: Excretion of nitrogenous wastes in Echinoderms is
Q9: The earliest larval stage of echinoderms
A) is
Q10: Chordates are so named because of their
A)
Q11: At some stage of development, chordates possess
A)
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