Which among the following is incorrect about nervous system in Echinodermata?
A. Radial nerves extend through the arms from the central nerve ring that surrounds the mouth
B. Sensory tentacles help in sense of touch
C. Epidermis contains sensory cells that help in sense of touch
D. Their brain is made up of 4 nerve rings
Answer:D
Which among the following is incorrect about nervous system in Echinodermata?
A. Radial nerves extend through the arms from the central nerve ring that surrounds the mouth B. Sensory tentacles help in sense of touch C. Epidermis contains sensory cells that help in sense of touch D. Their brain is made up of 4 nerve rings