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Ants have been digging through dirt for more than 100 million years

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Ants have been digging through dirt for more than 100 million years. An ant can lift a seed five times its weight. Each year, the world's ants dig up more than 16 billion tons of dirt-enough to fill 3 billion dump trucks. They are one of the strongest animals on earth.Ants live in social groups called colonies; a small colony may contain only 12 ants. Males mate with the queen but do not work in the colony; females are all female and do not lay eggs. Ants dig by scooping dirt with their mandibles (jaws). As ants bring up dirt, they recycle nutrients that help plants grow. An anthill absorbs the sun's rays and transfers heat down into the nest. Ants require moisture so that their bodies do not dry out. Ants live in all parts of plants, including the flowers, seeds, leaves, branches, and trunk. They protect the plant from predators, add nutrients to the or pollinate the plant so new plants will grow. In the South American rain forest, a single tree can house more than seventy kinds of ants. Ants work in the same way foraging ants patrol the colony every day. There is no boss ant, but ac ants usually begin doing chores and then other ants join in.

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