Ecology came from a greek word Oikos and lagos.
All the living organism are in the Biosphere?
Is the list on the last page of this topic showing the various level of ecological study in any order? Smallest to largest perhaps?
here we studied the biotic and aboitic region of earth and the interaction between them
Estudiar las relaciones entre los seres vivos y su medio ambiente es la parte fundamental para entender el funcionamiento de la vida en la tierra
La biósfera, es la capa del planeta Tierra en donde se desarrolla la vida
es la capa mas importante de la tierra ya que en esta viven los organismos vivientes, plantas, bacterias y animales, La biosfera Es Una región muy Pequeña en la escala de Toda La tierra.
en esta sección hemos visto las características de la biosfera y todos los procesos que esta puede facilitar para los organismos que la conforman.
La biosfera es la capa de la tierra en la que hay vida de hay su nombre.
Biosphere is the sum of all the ecosystems in the world.
The biosphere is the region of the earth that encompasses all living organisms: plants, animals and bacteria. It is a feature that distinguishes the earth from the other planets in the solar system. "Bio" means life, and the term biosphere was first coined by Russian scientist Vladimir Vernadsky in the 1920s. Another term sometimes used is ecosphere ("eco" meaning home).
The biosphere includes the outer region of the earth (the lithosphere) and the lower region of the atmosphere (the troposphere). It also includes the hydrosphere, the region of lakes, oceans, streams, ice and clouds comprising the earth's water resources.
Traditionally, the biosphere is considered to extend from the bottom of the oceans to the highest mountaintops, a layer with an average thickness of about 20 kilometers. Scientists now know that some forms of microbes live at great depths, sometimes several thousand meters into the earth's crust.
The biosphere is a very tiny region on the scale of the whole earth, analogous to the thickness of the skin on an apple. The bulk of living organisms actually live within a smaller fraction of the biosphere, from about 500 meters below the ocean's surface to about 6 kilometers above sea level.
Dynamic interactions occur between the biotic region (biosphere) and the abiotic regions (atmosphere, lithosphere and hydrosphere) of the earth. Energy, water, gases and nutrients are exchanged between the regions on various spatial and time scales. Such exchanges depend upon, and can be altered by, the environments of the regions.
For example, the chemical processes of early life on earth (e.g. photosynthesis, respiration, carbonate formation) transformed the reducing ancient atmosphere into the oxidizing (free oxygen) environment of today.
The interactive processes between the biosphere and the abiotic regions work to maintain a kind of planetary equilibrium. These processes, as well as those that might disrupt this equilibrium, involve a range of scientific and socioeconomic issues.
The study of the relationships of living organisms with one another and with their environment is the science known as ecology. The word ecology comes from the Greek words oikos and logos, and literally means "study of the home".
The ecology of the earth can be studied at various levels:
• an individual (organism),
• a population,
• a community,
• an ecosystem,
• a biome or
• the entire biosphere.
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