Abiotic and Biotic Components

Topics: Abiotic component, Biotic component, Biology Pages: 4 (1211 words) Published: January 23, 2013
Abiotic component
abiotic components (also known as abiotic factors) are non-living chemical and physical factors in the environment, which affect ecosystems. Each abiotic component influences the number and variety of plants that grow in an ecosystem, which in turn has an influence on the variety of animals that live there. The four major abiotic components are: climate, parent material and soil, topography, and natural disturbances.

From the viewpoint of biology, abiotic factors can be classified as light or more generally radiation, temperature, water, the chemical surrounding composed of the terrestrial atmospheric gases, as well as soil and more.

The macroscopic climate often influences each of the above. Not to mention pressure and even sound waves if working within marine- or terrestrial environments.

The Biome is defined as environments where organisms live in accordance to their environments.

Those underlying factors affect different plants, animals and fungi to different extents. Some plants are mostly water starved, so humidity plays a larger role in their biology. If there is little or no sunlight then plants may wither and die from not being able to get enough sunlight to do photosynthesis.

Many archaebacteria require very high temperatures, or pressures, or unusual concentrations of chemical substances such as sulfur, because of their specialization into extreme conditions.

Certain fungi have evolved to survive mostly at the temperature, the humidity, and stability of their environment.

Abiotic factors in various components that determine the physical space in which living things live, among the most important, we find: •water
temperature
light
pH
soil
nutrients

Climate

Climate includes the rainfall, temperature and wind patterns that occur in an area, and is the most important abiotic component of a grassland ecosystem. Temperature, in tandem with precipitation, determines whether...
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