Carbon dating game

The soil in a bog is very low in nutrients and oxygen.Animals that die in bogs and sink beneath the surface are protected from the elements, other animals, and bacteria that cause decay.

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The oldest fossils ever discovered are more than 3.5 billion years old.There are some rare places where a whole animal can be preserved.An animal that dies in a cold place, like the tundra, can be frozen.Some fossils are the actual remains of a plant or animal that has been frozen in ice or trapped in a substance like sap. Despite this, there are several different ways for a living thing to become a fossil.If the fossil was once an animal, the animal has to die.

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