Biology

What is the fin on the backs of fish, some whales and dolphins called?

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Which characteristic means moving from place to place?
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What can an animal that eats berries and fish be called?
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Which of these animals is cold-blooded?
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Which of these animals might compete for the same food source as a red-tailed hawk?
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Which insect is known for its sting?
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What helps make the waxy oil substance for your skin and hair?
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Which famous scientist introduced the idea of natural selection?
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What are the cells in the pancreas that secrete insulin?
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