[简答题] Most people have heard the sound of bees among flowers. Bees live almost everywhere in the world —except the arctic areas. Many kinds of agriculture depend on these small, social insects. Without bees, fruit and nut growers as well as many other farmers would not have a crop. There are more than twenty thousand kinds of bees. But only honey bees make enough honey for people to use. Honey bees are highly organized social insects. They work together in a group called a colony (生物群体). Each colony lives in a hive. It contains one queen bee — she lays all the eggs from which the members of the colony come. Each colony has only a few hundred males, called drones. The majority of all bees in a colony are female workers. Bees even have a special stomach, called a honey stomach. It is used to store sweet fluid that the bees gather from flowers. Bees also have long hairs on their body and legs. These hairs capture pollen (花粉) as bees go from flower to flower. Some of the pollen is