Which annelid structure resembles the ancestral structure from which the vertebrate kidney evolved?
A) trachea
B) nephridium
C) mantle
D) parapods
E) all of these
Correct Answer:
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Q70: Torsion of the adult body is characteristic
Q71: The movement of earthworms is dependent on
A)circular
Q72: Oval body, eight dorsal plates, grazer on
Q73: Which of the following has a gut
Q74: Cephalopods are the only mollusks that possess
A)a
Q76: Earthworms perform all EXCEPT which of the
Q77: Polychaetes are the only annelids that possess
A)chaetae.
B)clitellum.
C)parapodia.
D)ganglia.
E)fluid-filled
Q78: Which statement is false about cephalopods?
A)They were
Q79: Use the figure above to answer questions
Q80: Which of the following is false about
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