Polar Wildlife quiz
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Which is the largest living penguin?
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More questions about Polar Wildlife
These visible examples show the question style. LearnClash turns the full topic into ranked duels and spaced repetition.
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Which whale is nicknamed the canary of the sea?
Answer: Beluga
Why: Unlike most whales, belugas have unfused neck vertebrae, so they can turn their heads from side to side.
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How can satellites spot emperor penguin colonies?
Answer: Guano stains
Why: Landsat images are too coarse to show the birds themselves, but their droppings stain the ice a telltale brown.
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What rule says cold-climate animals have shorter ears and limbs?
Answer: Allen's rule
Why: Bergmann's rule is the related idea that animals in colder climates tend to have bigger bodies.
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What seal hunts penguins?
Answer: Leopard seal
Why: Female leopard seals grow slightly bigger than the males, reaching about 3 m in length.
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What is a penguin's dark back and white belly called?
Answer: Countershading
Why: Seen from above, the dark back blends with the deep sea, while from below the white belly matches the bright surface.
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What color do reindeer eyes turn in winter?
Answer: Blue
Why: What changes is the tapetum, a mirror layer behind the retina that reflects less light back out of the eye when blue.
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