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The circulatory system of cephalopods is more efficient than that of other molluscs because
Q5: Ectoprocta<br>A) live in both marine and freshwater
Q6: The great pyramids of Egypt are made
Q8: The posterior attachment organ of monogeneans is
Q14: The nematode Caenorhabditis elegans has allowed scientists
Q34: In both tunicates and cephalochordates,the ventral side
Q40: Gametic nuclei arising by meiosis and forming
Q40: The _ includes the lophophore,digestive tract,muscles,and nerve
Q41: The main structures that taste food and
Q55: Which correctly describes the evolutionary origin and
Q71: The crinoids<br>A) have the most primitive characters<br>B)