Biogenic migration of atoms. The cycle of matter and evolution of the biosphere

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2018-03-24 06:58:15

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Biogenic migration of atoms – this is a special kind of cycle in nature chemical substances, which occurs due to the life processes of living organisms. Under the livelihoods refers to their breathing, feeding, reproduction, accumulation and decomposition of organic elements.

What is the biosphere

The world Famous academician V. I. Vernadsky first introduced the concept of the biosphere. He has deciphered it as a living shell of the earth. This area of life was the result of the interaction of living and non-living substances. All living organisms are the main function of the biosphere and relate to her in every way possible.

biogenic migration of atoms

Living organisms are a sum total of all living substances on the planet, existing at the moment. Each of them has their weight, energy and elementary chemical composition.

According to Vernadsky, all living matter is connected with the environment currents of atoms, biogenic migration which takes place due to the impact of solar energy.

The Main functions of the biosphere are reproduction, growth and metabolism of living organisms.

Basics biogenic migration

Biogenic migration of atoms is manifested in the form of circulation of substances in nature. Nutrient called elements, which are involved in the process. This includes such substances as oxygen, hydrogen, nitrogen, carbon, phosphorus, iron, manganese, zinc, calcium, potassium, and many other inorganic compounds.

In fact, in nature there are a huge number of isotopes of chemical elements, but not all of them are part of living organisms.

It is Known that all living organisms have a unique feature to accumulate chemical elements and their compounds. This is a part of living can be found not only common elements but also very rare. Interestingly, their concentration in living matter are much higher than in the surrounding space. For example, plants contain two hundred times more carbon than it contains the crust, and thirty times more than nitrogen.

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Each kind of living organisms has a different number of chemical elements. For example, iron bacteria accumulate a huge amount of iron, while kornenozhki accumulate calcium, and seaweed - iodine.

under the biogenic migration of atoms to understand the movement of substances

Biogenic migration of atoms leads to the fact that under the influence of living organisms can change the valence of chemical elements. As well as the formation of new types of chemical substances. About forty of the most famous of trace elements take an active part in this process, as the biogenic migration of atoms. And man is direct confirmation.

The Law of the biogenic migration of atoms

This law was introduced by academician V. I. Vernadsky and has a very important theoretical and practical significance. According to him, all chemical processes occurring on our planet, closely linked to present and past microbial activity and is impossible without taking into account biogenic and biotic factors. Also this can be attributed to the influence of evolutionary processes.

It is Worth considering that people have a very big impact on the biosphere of the Earth, in particular all of its living population, so they are able to make significant changes to this process, as the biogenic migration of atoms in the biosphere.

According to this law, every living being is a mediator between the Sun and Earth. Thus, considering constant solar flux and relative permanence of the energy of the planet, it can be concluded that the amount of living matter must remain constant. This pattern was described by Vernadsky in his works.

Biogeochemical cycles

Biogeochemical cycles – this particular circulation of chemicals in the biosphere. Here the crucial role played by living organisms. For the life of all living organisms need certain nutrients that can give life. There are two groups of such elements: matrotrophy and necrotrophy.

Matrotrophy substances include such components that create the chemical basis of all tissues in living organisms. These include potassium, calcium, phosphorus, oxygen, carbon, hydrogen, sulfur, magnesium and other elements.

biogeochemical cycles

But to microtropis substances include trace elements and their compounds necessary for the existence of living organisms in very small quantities. To trace elements include zinc, copper, manganese, chlorine and iron.

In addition, all nutrient or nutrients may be used repeatedly in the biosphere. Because the reserves of biogenic trace elements is not constant. A number of them connected and part of the living biomass. And this, in turn, significantly reduces the number of elements remaining in the ecosystem.

If plants and other living organisms were not involved in the processes of decomposition, the supply of all the nutrients in the world would have long ago exhausted, and, therefore, life on Earth would have long ceased.

Consider, how are the biogeochemical cycles of some elements.

The carbon Cycle

One of the most important sources of carbon is carbon dioxide contained in the composition of the atmosphere, and dissolvedwater. This substance is used by plants for the synthesis of organic compounds.

biological cycle

During the process of photosynthesis carbon dioxide is able to turn plants into nutritious organic matter, which is the main food animals.

Processes Such as combustion, fermentation and respiration, is able to return the substance to the environment. According to scientists, the atmosphere contains about seven hundred billion tons of this substance, while in the hydrosphere – about fifty thousand billion tons. Annually as a result of photosynthesis, increase of plant mass in the water and on land is one hundred and eighty and fifty billion tons, respectively.

The nitrogen Cycle

Biogeochemical cycles of nitrogen occurs under the influence of various chemical and biological influences. For example, nitrate nitrogen can turn into protein, then go into the urea to turn into ammonia and again in the nitrate form.

Phosphorus Cycle

The simplest biogeochemical cycle in nature is the cycle of phosphorus. Its main reserves are contained in rocks are exposed to erosion to give their phosphate in various ecosystems.

matter of the biosphere

These phosphates used by plants, and with their help synthesize organic matter. Plants eat other organisms. So when they die and decompose, the phosphates return to the soil and again serve as fertilizer for plants.

Biogenic principles of Vernadsky

The biogenic migration of atoms to understand the movement of matter, and connect them to power circuits of the ecosystem. According to the academician Vernadsky, biogenic migration is subject to three very important principles. Consider what the scientist said:

  1. Biogenic migration always tends to its maximum manifestation.
  2. All living matter of the biosphere is in constant and continuous chemical exchange with the cosmos. As well as they are created and maintained by energy from the Sun.
  3. Evolution of species, leading to new sustainable forms of living organisms, leads to the acceleration of the biogenic migration of atoms in the biosphere. This contributes to the accelerated transformation of chemical elements.

The Concept of the biological cycle

In order to make life on Earth infinitely continued, all organic matter should be rotated on a closed curve.

biogenic migration of atoms in the biosphere

The Biological cycle – this is the only way of life. By the decomposition of all organisms, other organisms get their food. Therefore, every living organism, regardless of its type, is a link in the food chain. Hence, all living beings give up their elements to other forms of life. Don't underestimate the role of microorganisms. They turn the remains of animals and plants in the basic organic substances used by green plants for the synthesis of new organic matter.

Biological circulation of substances is provided by the results of the decomposition. Complex compounds begin to break down, releasing the energy and losing stocks information, and educated new inorganic substances start the whole chain again. Thanks to the biosphere microorganisms capable of natural self-regulation.

Parts of the biological cycle are living organisms belonging to different systematic groups. They are able to interact with various links. Consider that all living matter of the biosphere involved in the cycle through food chains.

The functions of living substances in the biosphere

At the heart of the biogenic migration of atoms is the movement of substances. Now, scientists analyzing all the properties of this migration, were able to draw conclusions about what are the functions of all living matter on planet Earth. Look at them:

  • Energy. Organisms are able to accumulate nutrients derived from food in trophic chains.
  • Transport. Each organism can tolerate organic.

the law of the biogenic migration of atoms

  • Concentration – organisms store nutrients in the course of their life that they use for their body structure.
  • Environmental. All living things capable of converting the chemical and physical parameters of the environment.
  • Destructive. Involved in the mineralization of inorganic substances.

The Evolutionary theory of the origin of life on Earth

Evolution can be called irreversible processes of historical life. This theory is built on four principles:

  1. Excess offspring. All species of living organisms grow quickly. However, not all offspring survive, so that all populations are stable.
  2. The Struggle for survival also helps to control population size.
  3. The Presence of minor differences. As all living individual species, some species have more chances of survival, while others less.
  4. Heredity. The hereditary information is transmitted through parents to offspring. Now, thanks to some genetic differences, some individualsmore capable of survival than others.

Insights

The biogenic migration of atoms to understand the movement of matter. This process is infinite and cyclical, so the life on Earth exists to the present time. As a result of active human activities all creative processes on the Earth begin to collapse.


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PT: https://www.tostpost.com/pt/educa-o/16909-biogennaya-migra-o-de-tomos-a-circula-o-de-subst-ncias-e-a-evolu-o-da-.html

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Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."

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