The Giant Pacific Octopus is considered a master of camouflage. How long does it take this species to change colour to match its surroundings?
Correct answer: A. The Giant Pacific Octopus can change colour in one-tenth of a second to match the colour and texture of its surroundings – all thanks to a complex system of pigment cells (chromatophores), muscles and nerves. Learn more at hww.ca
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