How Can Polar Bears Stand Cold Water?
How Can Polar Bears Stand Cold Water? Despite arctic cold, the polar bear can swim in freezing water or walk about wringing wet, and still stay warm. The polar...
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Why Don’t Fish Sink?
Why Don’t Fish Sink? Fish have adapted to life in water. They are able to move in water, of course. Their body density is slightly smaller than the water in which they...
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How Do Snakes Move?
How Do Snakes Move? Despite the fact that they have no legs, snakes are able to move and get along very well indeed. Most snakes slither along in a serpentine motion...
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Why Do Fish Swim in Schools or Shoals?
Why Do Fish Swim in Schools or Shoals? Some fish swim alone; others stay in groups known as “schools” or “shoals”. A school of fish swims in formation, moving and...
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What Is a School of Fish?
Fish schools are groups of fish that stay together. Each school is made up of one kind, or species, of fish. Some species, like the mackerel, travel together in schools...
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