Just for fun, a mathematician once made up a puzzle about rabbits. It went like this. Suppose that you have a boy rabbit and a girl rabbit. Each month, your pair of rabbits has a boy rabbit and a…
The dolphin fuhn) and the porpoise puhs) are really small whales. Both belong to the large group of whales called toothed whales. Most people can’t tell a dolphin from a porpoise. But there is an…
You can always tell a turtle by its shell. A box turtle has a high, round shell that it can close up like a box. A map turtle has a wide, flat shell with bumpy edges. A soft-shelled turtle’s shell…
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