Multiple choice Which of the following statements regarding the octopus is INCORRECT? Octopuses are characterised by suction cups. Reproduction is a cause of death in octopuses. Octopuses have a long life expectancy. Octopuses have three hearts. An octopus has a highly complex nervous system. Reveal answer Fill a bubble to check yourself C Correct answer Explanation Octopuses have a relatively short life expectancy and some species live for as little as six months.