1.

Explain abiotic components with example.

Answer»

Abiotic components are as follows:

(a) Climatic or physical factors:

These are of two types:

(i) Atmospheric, such as temperature, sunlight, moisture and precipitation.

(ii) Edaphic, such as soil texture.
These factors determine the distribution of the type of organism living in the area.

(b) Inorganic substances: These are various nutrient elements and compounds, such as carbon (C), nitrogen (N), sulphur (S), phosphorus (P), carbon dioxide (CO2), oxygen (O2), minerals such as calcium (Ca), potassium (K) and magnesium (Mg), etc. These are involved in the cycling of the materials in the ecosystem.

(c) Organic substances (Compounds): These are proteins, carbohydrates, fats, amino- acids, etc. These are involved in the cycling of the materials, in the form of lipids and humic substances. These enter in living factors through soil and after death and decomposing, mix back in soil and environment.



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