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1.) the appendatges arthropods use to sense envoirnmental changes and to communicate with each other are called: A.manibles B. antennae C. spinnerets2.) Some wasp reproduce asexually by: A. parthenogenesis B. metamorphosis C. cephalothorax3.) Scorpions and spiders belong to the class: A. Arachnida B. Crustacea C. Insecta4.) Which of the following is not a characteristic of echinoderms? A. an endoskeleton B. a thin epidemis C. a segmented body*THANX TO ALL WHO ANSWER*
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