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The nematocyst is enclosed within the cell that secreted it,called a ________________.
Q2: The pseudocoelomates include the cnidarians,the rotifers and
Q4: With over one billion people,but less land
Q5: The use of public money to attract
Q17: At the base of each cilium is
Q23: The freshwater Hydra has a medusa stage
Q26: The Errantia generally have a less well-developed
Q32: The repeated reproductive units of tapeworms are
Q36: A branching diagram that presents the nested
Q49: Annelids transport food,wastes,and respiratory gases via their
Q54: If the expected future price of a