Which of these organisms is most highly evolved?
A) A Tunicate
B) A Lancelet
C) A sea urchin
D) A crinoid
Correct Answer:
Verified
Q17: Free-floating cnidarians like jellyfish are referred to
Q18: Which of the following type of cells
Q19: Comb jellies are classified as:
A)Cnidarians.
B)Ctenophores.
C)Platyhelminthes.
D)Sipunculans.
Q20: Polychaete worms show:
A)A body covered with a
Q21: One distinctive feature of all echinoderms:
A)Jointed legs.
B)Gill
Q23: Beard worms are unique because they lack:
A)Symmetry.
B)A
Q24: A zoea would be a larval form
Q25: Which of the following are not correctly
Q26: The term for changing exoskeletons by crustaceans
Q27: Arrow worms feed on:
A)Organic matter that deposits
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