Our ancestors left us a wonderful legacy in the form of thousands of varieties and breeds of plants and animals. Every day we drink cows milk, eat bread made from rye or wheat, dressed in clothes made from fibers of cotton or wool sheep. All our life is closely linked to the products that give us the Kingdom of animals, plants, fungi and microorganisms, in the service of humanity. We are accustomed to the fact that every day we are surrounded by plants, animals, sunlight Golden streams poured around each morning. It seems to us that all that was, is and always will be. In the meadows will always be to lay a green carpet of grass, will bloom flowers, charming us with its scent, in the woods you will hear birds singing, sea waves with a quiet whisper will roll pebbles coastal, deep-sea will always be full of secrets and mysteries, and the bowels of the earth will always give their riches to us was light, warm and comfortable to live. We think so because we used to get all of this and forget what an amazing, and sometimes unexpected world that surrounds us and takes us, is subject to continuous change, the seeming permanence of nature as deceptive as deceptive feeling, as if the Sun moves across the sky around the Earth.. . We used to use the gifts of nature for their own purposes, for my benefit, but lost the habit of thinking of themselves as part of the natural world, and therefore rarely think about what processes are happening right before our eyes. We can't see that changing animals and plants that surround us from childhood, live with us, which give beauty and uniqueness to the beloved nature and without which human life would be poor, boring, and sometimes impossible