1) How many heart do octopus has? a) 3 b) 4 c) 5 d) 6 2) What is the scientific name of chicken? a) Eurycea rathbuni b) Felis domesticus c) Gallus domesticus d) Oreochromis niloticus 3) Who is the father of modern taxonomy? a) Aristotle b) Carolus Linnaeus c) Plato d) Sigmund Freud

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