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Of what significance is it that gill supports immediately behind the jaws of sharks are hinged like jaws and serve to link the jaws to the braincase?
Q7: Centipedes<br>A)are herbivorous.<br>B)have poison claws.<br>C)have five pairs of
Q9: The body wall of an annelid consists
Q11: Reproduction in sea squirts is<br>A)asexual,with new individuals
Q16: The circulatory system of earthworms is<br>A)closed with
Q22: When cephalopods hatch from their eggs,they are<br>A)trochophore
Q42: The green glands form an effective "flood
Q47: The contraction of the heart is known
Q51: Organisms that retain the larval form of
Q53: The ancestral larval form of crustaceans is
Q73: Arrow-worms feed<br>A)on plankton and small fish.<br>B)by retracting