When Spiders Mate,the Male Inserts His __________ into the Genital

Q39: Groups of somites fused or combined into

Q40: Crabs,lobsters,and true shrimps belong to the malacostracan

Q41: Saprophagous insects feed on<br>A)plant juices.<br>B)dead animals.<br>C)other insects.<br>D)hyperparasites.

Q42: _ is a condition in which parasitic

Q43: Pentastomids<br>A)are parasites.<br>B)have a nonchitinous cuticle.<br>C)have a nervous

Q45: Some appendages of crustaceans are two-branched,or _.

Q46: The ancestral winged insect gave rise to

Q47: The Acari<br>A)have a distinct head,thorax,and abdomen.<br>B)are of

Q48: The respiratory system in insects consists of

Q49: _ form the basis of the excretory