the biosphere

Length: 2 Pages 617 Words

The Biosphere: The biosphere is part of the earth in which life exists. It is 20 km thick from the bottom of the ocean to the lower atmosphere. It consists of three layers: the lithosphere, which is the land on the surface of the earth; the hydrosphere, which comprises of the water on the earth as well as water vapor in the air; and the atmosphere, which is made up of the air that surrounds the earth. The living organisms in the biosphere interact and affect each other in many ways. This is called a biotic factor. Similarly, there are non-living elements that have an effect on living organisms, these are considered abiotic factors. Examples of abiotic factors are air, temperature, water, soil, light, and minerals. In a biosphere, organisms live in special groupings. For instance, a population consists of all individuals of a species living in a general area. A community is a population located i Continue...


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The earth's aquatic ecosystem makes up about 75 of the earth's surface. Ecosystems can be aquatic or terrestrial. For example, ecological succession brings about the replacement of one community by another in an ecosystem. The burning of fossil fuels contributes to the industrial cycle of carbon dioxide in the atmosphere. These compounds are important because they make up DNA and other compounds crucial to the formation and sustenance of life. In the ecosystem, matter and nutrients are cycled via biogeochemical cycles such as water, carbon dioxide, nitrogen, and phosphorous. In this case, organisms may have the same habitat, but different niches. n a certain area living among different species. In other instances, organisms that colonize an area with no community present are considered pioneer organisms. An ecosystem is yet a larger conglomeration of a population, a community, and abiotic factors. Mutualism is a relationship where both organisms benefit from their interaction with each other. Commensalism only benefits one organism, but the other organism is not affected. They are mutualism, commensalism, and parasitism. An example is the honey bee and a flowering plant.

PROFESSIONAL ESSAYS:

Pollution: Forecast for 2025
In World War III: Population and the Biosphere at the End of the Millennium Michael Tobias argues that "our unrelenting proliferation" is going to lead first (3033 12 )

CARBON DIOXIDE AND THE GREENHOUSE EFFECT Scient
Thus, burning fossil fuels redistributes carbon from one reservoir to another. These reservoirs include the terrestrial biosphere and our oceans. (3773 15 )

ESSA Facility Environmental Problem
of attention for environmentalists and brought international pressure on the government of Mexico to do more to protect the El Vizcaino Biosphere Reserve in (1077 4 )

Amazon Rainforest Depletion
One of the world's richest natural resources, the rainforest plays an important role in the health of ecological chains of the Earth's biosphere. (1493 6 )

Ozone Layer Depletion and Its Effects Human act
Cambridge, EnglAnd: Cambridge University Press. Committee on the Atmosphere and Biosphere. (1981). Atmosphere-biosphere interactions. (1624 6 )

Growth of US Conservation Movement
The United Nations Educational, Scientific, and Cultural Organization (UNESCO) has promoted the idea of biosphere reserves as a means of combining forest (3388 14 )