Question
Biology Question on Classification Of Animals
Which one of following feature is possessed by crustaceans and not by insects?
A
paired limbs
B
two pairs of antenna
C
chitinous exoskeleton
D
bilateral symmetry
Answer
two pairs of antenna
Explanation
Solution
The main characteristics of class Crustacea and insecta are as follows: (i) : Mostly aquatic with gills, two pairs ofjaws, appendages mostly biramous and always more than four in the trunk region. Example : prawn, crab, lobster etc. (ii) : Hexapod arthropods with a pair of antennae and three pairs of jaws. Example : cockroach, grasshopper, bees, housefly etc.