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Atta Ant ハキリアリ
One day a boy in Louisiana woke up to find that all the leaves on a tree in his backyard had disappeared;
only a few threads of the leaves were left.
He knew what had happened. A new colony of Atta ants had come to his neighborhood.
A farmer in Texas said that a heavy bag of seeds for his chickens was emptied by a single colony of Atta ants in one night.
Atta ants aren't very big, but they can carry heavy things, and there are many thousands of them, sometimes millions, in a colony.
In one night, they can make the leaves of a tree or the plants in a garden disappear.
With their scissor-like jaws, they spend hours cutting off pieces of leaf to carry back to their nests.
They don't eat these leaves, so why do they carry pieces of leaf many times their own weight far away to their nests?
It's because they eat only one kind of food - a special fungus that they grow on the leaves.
They are the only creatures who can make this special fungus grow properly.
You already know that a fungus is a decomposer.
It grows on dead leaves and other dead matter.
Did you know that some funguses are good to eat?
If you have ever eaten a mushroom from the grocery, you have eaten a piece of fungus.
Did you like the taste?
Be careful about eating any of the mushrooms growing in the forest, because many are harmful to humans!
The Atta ants take their leaves to a cave they have dug deep underground.
Some of their caves are as deep as twenty feet!
There in their nests they have their fungus farms.
On each piece of leaf in their nest, they carefully place a tiny bit of the fungus.
And it starts to grow on the leaf.
In a few days the leaf will be covered with white fungus.
After a while the fungus makes little knobs of delicious food that the ants eat.
To grow their crop, the Atta ants must work hard to keep the conditions just right for their special fungus.
The air must not be too dry or too damp.
If it is too dry, the ants close the opening to the nest.
If the air is too damp, they open up holes to let the air in and out.
They must also keep the crop perfectly clean by taking away any foreign fungus that might start infecting the food.
Hundreds of Atta ants spend all of their time just cleaning the fungus farm, like farmers removing weeds, so only the right kind of crop will grow there.
The Atta ants are just one of the fascinating members of the ant family.
Others, like the carpenter ants and the *honeydew ants, are just as interesting.
If you want to find out more about ants, ask for good books about them in the library.
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home>英語へGO!> 1年1組>ハキリアリAtta Ant ハキリアリOne day a boy in Louisiana woke up to find that all the leaves on a tree in his backyard had disappeared; only a few threads of the leaves were left. He knew what had happened. A new colony of Atta ants had come to his neighborhood.A farmer in Texas said that a heavy bag of seeds for his chickens was emptied by a single colony of Atta ants in one night.Atta ants aren't very big, but they can carry heavy things, and there are many thousands of them, sometimes millions, in a colony.In one night, they can make the leaves of a tree or the plants in a garden disappear. With their scissor-like jaws, they spend hours cutting off pieces of leaf to carry back to their nests. They don't eat these leaves, so why do they carry pieces of leaf many times their own weight far away to their nests?It's because they eat only one kind of food - a special fungus that they grow on the leaves. They are the only creatures who can make this special fungus grow properly. You already know that a fungus is a decomposer. It grows on dead leaves and other dead matter. Did you know that some funguses are good to eat? If you have ever eaten a mushroom from the grocery, you have eaten a piece of fungus. Did you like the taste? Be careful about eating any of the mushrooms growing in the forest, because many are harmful to humans!The Atta ants take their leaves to a cave they have dug deep underground. その洞窟のいくつかは 20 フィート深いです!自分の巣で彼らがある菌農場。自分たちの巣の葉のひとつひとつに、彼らは慎重に菌の小さなビットを配置します。それは葉の成長を開始します。数日後に、葉は白キクラゲ カバーされます。しばらくすると菌はアリを食べるおいしい食べ物の小さなノブになります。彼らの作物を成長し、アタ アリはその特殊な菌に適した条件を保つために一生懸命働かなければなりません。空気はあまりにも乾燥や湿気を余りにはなりません。それがあまりにも乾燥しているアリは巣への開口部を閉じる。空気の湿気が多すぎる場合、空気を出入りさせる穴が開きます。彼らはまた完全にクリーンな食品に感染するを開始可能性があります任意の外部菌を奪うことによって作物を保たなければなりません。アタ アリの何百も農家の雑草、作物の右側の種類だけを取り外し、そこに育つよう菌ファームにクリーニングだけ自分の時間のすべてを費やします。アタ アリは、アリの家族の魅惑的なメンバーの一人で、です。大工アリのような他と * 蜜アリは同様に興味深い。アリについての詳細を検索する場合は、ライブラリにそれらについて良い本を求めます。
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