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Q10: The water outlets in sponges are known
Q11: The sponges that have been historically used
Q16: The protozoan Trypanosoma causes human<br>A)malariA.<br>B)amebic dysentery.<br>C)African sleeping
Q21: Ecologists have found that<br>A)life as we know
Q32: The external costs associated with gambling include<br>A)the
Q33: Nematodes have circular muscles,but no longitudinal muscles
Q36: Members of the _ usually have a
Q49: _ form the basis of the excretory
Q50: The intermediate host of the blood fluke
Q55: Some characteristics of flatworms and ribbon worms