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Why do zoologists not have a well-accepted theory for the origin of segmentation?
Q3: Differentiation of a head end (found mainly
Q7: Compare the ammocoete larva with the fry
Q13: Concerning producing larger organisms without cellular differentiation,<br>A)nature
Q25: The two major fluid compartments of the
Q25: The Hirudinida are unique in that they
Q32: Entoprocts<br>A)are mostly freshwater.<br>B)are wormlike.<br>C)have an incomplete digestive
Q40: The ammocoete larvae is important in zoology
Q45: A _ plane divides an animal into
Q53: The term "myriapod" includes<br>A)all arthropods,gastropods,and brachiopods.<br>B)just the
Q59: When an insect larvae slowly consumes and