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Questions

Cows have four stomachs. Often, when a calf is born, the farmer will make it swallow a magnet. This is to attract the various nails, staples, bits of wire, and so on, that the cow may ingest while grazing. This odd hunger is known as ----------?

The venom of the king cobra is so deadly that one gram of it can kill ----------. Just to handle the substance can put one in a coma.?

The Virginia opossum is the only marsupial (pouched mammal) indigenous to North America. They will play dead when threatened, and contrary to folklore, do not sleep hanging by their tails. They have a litter size of up to 22, but only a maximum of 13 offspring live. Their babies stay in the pouch for the first ----------?

The largest bird egg in the world today is that of the ostrich. Ostrich eggs are from 6 to 8 inches long. Because of their size and the thickness of their shells, they take 40 minutes to ----------?

The weasel and the ermine are the same animal. This mammal's coat changes with the season - in its white winter coat, it is known as an ermine, in its brown coat, it is a ----------?