The Nerve Net of Hydra

question 51

Multiple Choice

The nerve net of Hydra:

• A) contains a central control organ and connected neurons.
• B) sends electrical signals in only one direction.
• C) allows the organism to respond to stimuli approaching from any direction.
• D) produces a signal that intensifies as it radiates from its point of origin.
• E) cannot coordinate the movement of all tentacles at once.