In a squid, which of the following behaviours would involve the highest degree of input from higher brain centres?
A) The tentacles shoot forward to grasp a small fish and then withdraw it to the mouth.
B) An extended tentacle suddenly contracts in immediate response to a tactile stimulus.
C) The rate of the regular in and out movements of the mantle, that ventilate the gills, increases in response to a decrease in the oxygen concentration of the surrounding water.
D) A sudden forceful contraction of the mantle muscles expels water through the siphon, propelling the animal backwards, away from a predator.
E) The release of ink in response to fear.
Correct Answer:
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