How do crustacea differ from other arthropod groups?
a. They possess a telson tail
b.Only crustaceans have two pairs of antennae
c. Only crustaceans have chitinous exoskeletons
d. Only Crustacea possess a two-part body plan of cephalothorax and abdomen
e. A hemocoel is only found in Crustacea
Answer: b. Only crustaceans have two pairs of antennae
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Fill in the blank(s) with the appropriate word(s).
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