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Four classes of myriapods are Chilopoda,Pauropoda,Symphyla and _____________.
Q4: Reproduction and development in ectoprocts involves<br>A)hermaphrodites.<br>B)radial cleavage.<br>C)brooding
Q9: Echinoderm evolution is controversial but most zoologists
Q16: The circulatory system of earthworms is<br>A)closed with
Q19: Placozoans<br>A)are flat,plate-like animals with no symmetry.<br>B)are probably
Q31: In crustaceans,the molt-inhibiting hormone is produced in
Q36: The designation of hemichordates as primitive chordates
Q42: One overriding advantage of the endoskeleton of
Q47: Explain how the contraction of muscles of
Q59: The class _ is composed of vertebrates
Q71: A protozoan with both plant-like photosynthesis and