There are about 500,000 kinds of plants and 1.5 million kinds of animals on the earth. All kinds of creatures not only maintain the sustainable development of nature, but also are the basic conditions for human survival and development. However, the number of living animals has decreased sharply, only one-tenth of the original animals on earth. Humans and other creatures live together in the beautiful home of the biosphere. The biosphere includes the bottom of the atmosphere, most of the hydrosphere and the surface of the lithosphere. Biosphere is the largest ecosystem, including forest ecosystem, wetland ecosystem, marine ecosystem, urban ecosystem and farmland ecosystem. ?
? Darwin: Natural selection, survival of the fittest. Wilson: The answer to every biological science question must be found in the cell. Yuan Longping: China can be supported by scientific and technological progress. Tong Dizhou: We should remember that our career needs hands, not mouths. Fleming: Don't wait for luck, try to master knowledge. Darwin: Science is to sort out facts in order to draw universal laws and conclusions from them.
Famous biological sayings:
1, we must cultivate people who belong to biology and therefore to nature to adapt to social life. Because social life is a special work of human beings, it must also conform to the performance of human natural activities. Montessori education law
2. You really have a life goal that you like, and then move forward bravely towards it. When you put everything into your favorite career, you will find that you have mastered one opportunity after another that you are eager for. Just as coral is still in the water, the protozoa it needs are constantly being delivered to its door.
3. A little unbearable thought is the root bud of living things.
(The author introduces French microbiologists and chemists. In the list of celebrities who influenced the course of human history written by American scholar McHart, Pasteur ranked first, which shows his great influence in human history. )
5. Ecology is essentially a mathematics. -Pierre (Canadian biologist)
6. Learning literature books is not good. In the past, young artists often hated mathematics, physics, history, geography and biology, thinking that they were insignificant, and later they even became ignorant.
Just as a mother sometimes makes sacrifices for her dear creatures, we should not cherish ourselves, but be prepared to give up our lives for its success. The speaker is the French writer Zola. It is suggested that selfless dedication and hard work should be made for the great cause of mankind. Not enough contribution, never enough. anonymous
Just as a mother sometimes makes sacrifices for her dear creatures, we should not cherish ourselves, but be prepared to give up our lives for its success. -the speaker zola, French writer.
Human society is generally divided into three parts-politics, economy and culture. These three pieces are found in any species, such as the most primitive single-celled organisms. "
10, I didn't know the vastness of the ocean until I went abroad. There are many incredible but vibrant islands here, as well as creatures and unexpected scenery that I have never seen before. The music played by the waves is sometimes quiet, as if containing a trace of worry, sometimes passing away gently, and sometimes laughing wildly, like tearing fragile thoughts apart. ...