12-Mar-2026 Theme: 'Octopus'

(1) How many hearts does an octopus have?

Answer: Three hearts.

(2) What colour blood does an octopus have? (bonus point for why)

Answer: Blue. It contains copper-based hemocyanin.

(3) What type of animal group do octopuses belong to? a) Fish, b) Crustaceans, c) Molluscs, d) Amphibians.

Answer: c) Molluscs.

(4) True or False: An octopus can regrow a lost arm.

Answer: True. (often within 100 to 130 days).

(5) What specialized skin cells allow octopuses to rapidly change colour?

Answer: Chromatophores.

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