Currently, the diversity of creatures on earth are threatened is especially serious.But few people know that, not least the extinct animal species directly and indirectly under the hand of man.The increase of the population quickly causing humans to expand land living by building cities and villages, where the former is the forest.they are changing the water sources, soil by running water, the discharge of industrial waste water out of the environment. The use of pesticides and fertilizers also affect to water, soil.Fasten the tree in the forest has changed the climate, weather conditions.Humans are ruining the air by discharges of toxins into the air.The living conditions are improving, along with that of leisure needs is indispensable. The hunters are hunting animals every day to domesticated pet.Besides, these luxury products made from the fur, skin, meaning that the number of species are declining.People use the plants, the animals do medicines have contributed to the decline in the number of species
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