Simple Biology
Biology
Level
2
Which of the following living organisms lacks a nervous system?
Note- Though this question is easy, over 60% failed to answer it correctly in a class 10 Biology Examination
Hydra
Grasshopper
Wolfia
Crustaceans
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most people might think it s hydra, but it has one, though it lacks a recognizable brain and true muscles. The nervous system of Hydra is a nerve net which is structurally very simple.