Why Do Fish Have Scales?
Most fish are covered with a layer of flat scales, which overlap each other like the shingles on a roof. The hard scales form a protective c
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Fish
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
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
What Does the Pelican Use Its Pouch For?
The pelican uses its pouch as a dip net to scoop up fish from the water. A pelican’s pouch hangs from the underside of its long beak. When t
Why Do Fish Swim in Schools?
Why Do Fish Swim in Schools? Fish form schools for protection from predators, schools containing hundreds or thousands of nearly identical f