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The largest invertebrate known,the giant squid,belongs to the class _____________.
Q1: The circulatory system of cephalopods is more
Q3: Sea cucumbers have an elongated body,and they
Q10: Molluscs with a tubular shell,open at both
Q14: Most of our familiar frogs belong to
Q29: Euglena has a red "eyespot",or _,that functions
Q33: All of the alleles of all genes
Q34: Adult tapeworms live in the digestive tract
Q36: Though they evolved from a torted ancestor,opisthobranchs
Q38: The larva of polychaetes is<br>A)lacking.<br>B)a pilidium.<br>C)a trochophore.<br>D)a
Q61: Horseshoe crabs<br>A)are extinct.<br>B)are poisonous to humans.<br>C)live in