Mr. Christie's Lab
52) A shared derived characteristic for members of the arthropod subgroup that includes spiders would be the presence of . A) chelicerae. B) an open circulatory system. C) an exoskeleton. D) a cuticle. E) a cephalothorax. Answer: A . Topic: Concept 33.7. Skill: Comprehension. 53) You find a small animal with eight legs crawling up your bedroom ... ................
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