Spiders

Q9: Sea spiders<br>A)are extinct.<br>B)feed on the fluids of

Q10: Ecdysis (molting)in crustaceans<br>A)involves production of a new

Q11: The trilobites are<br>A)freshwater dwellers.<br>B)terrestrial crustaceans.<br>C)aquatic insects.<br>D)extinct.

Q12: True bugs are members of the order<br>A)HomopterA.<br>B)Hemiptera.<br>C)Coleoptera.<br>D)Siphonaptera.

Q13: An example of a bacterium utilized in

Q15: In the order _,which comprise the beetles,the

Q16: The centipedes are herbivorous,but the millipedes are

Q17: Flies and mosquitoes belong to order _.

Q18: As the arthropod ancestors underwent "arthropodization,"<br>A)their circulatory

Q19: A tough,resistant,nitrogenous polysaccharide in the cuticle of