Which one of the following features is common in silverfish, scorpion, dragonfly and prawn?
A. Three pairs of legs and segmented body
B. Chitinous cuticle and two pairs of antennae
C. Jointed appendages and chitinous exoskeleton
D. Cephalothorax and trachea
Answer:C
Which one of the following features is common in silverfish, scorpion, dragonfly and prawn?
A. Three pairs of legs and segmented body B. Chitinous cuticle and two pairs of antennae C. Jointed appendages and chitinous exoskeleton D. Cephalothorax and trachea