Живая природа.(eng)

Man and nature have always been one. Why? They are both part of planet Earth. Gradually, our life changed a lot: the people became fussy, restless. Increasingly, people take actions that harm nature: houses, shopping centers, factories are being erected everywhere; for this, people are destroying their natural habitat. In the 21st century, modern technologies rule the world.All objects of living nature have important qualities: they are born, grow, feed, breathe, move, and die. For life, they need food, heat, water, air. Living nature includes not only humans, but also animals, plants and even microorganisms. A very extensive and important science, biology, is engaged in the study of objects of living nature. Microorganisms Long before animals appeared on our planet, it was already inhabited by tiny, invisible organisms: bacteria, fungi, viruses. They can exist in almost any environment where there is at least some water.