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Explain how the contraction of muscles of the jaw or limbs aid in insect respiration.
Q3: The study of insects is known as
Q6: The ancestor of the echinoderms had _
Q14: Technically a teleost fish has a four-chambered
Q17: The tongue-like,rasping organ in the head of
Q18: Describe the human response to the impact
Q31: _ is the porous plate on the
Q44: The basic five arms of crinoids are
Q46: Discuss why segmentation is such an important
Q47: In tapeworms,the region just behind the scolex
Q59: Fertilization in rotifers is acheived<br>A) externally with