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The Sipunculans live in burrows and feed on sediment deposits using
Q7: The early embryology of hemichordates is much
Q13: Outline the life cycle of Wuchereria bancrofti.
Q15: The fleshy stalk of a brachiopod is
Q23: Describe the evidence for the likely order
Q26: A Nautilus differs from a snail because<br>A)the
Q34: The digestive system of a phoronid worm
Q48: The madreporite of sea cucumbers is located
Q48: Which of the following statements about planaria
Q51: Many polychaetes are euryhaline meaning that they<br>A)can
Q56: In the chordates,the _ forms in the