QUIZ: Cephalopod Intelligence
Test your knowledge of cephalopods!
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1. True or False: Vertebrates and cephalopods diverged from a common ancestor more than 500 million years ago.
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2. Approximately how many neurons does a common octopus possess?
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3. Which cephalopod was the subject of famous studies demonstrating delayed gratification similar to the 'marshmallow test'?
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4. True or False: The majority of neurons in an octopus are located outside its central brain.
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5. True or False: Research has shown that octopuses can distinguish between individual human keepers.
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6. True or False: Cephalopods evolved large brains before vertebrates evolved jaws.
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7. Which brain region in cephalopods is often compared functionally to the vertebrate hippocampus because of its role in learning and memory?
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8. True or False: Cephalopods are the only molluscs known to demonstrate sophisticated observational learning.
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