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NCERT Solutions for Class 12 Biology Chapter 14 Ecosystem are provided in this article. This Chapter 14 is included in Unit X- Ecology and Environment. The article covers all the important definitions, concepts, and methodologies that will be really beneficial for the students appearing for CBSE Class 12 Exam 2022-23. The important topics that are included in this chapter are:
- Ecosystem–Structure and Function
- Productivity
- Decomposition
- Energy Flow
- Ecological Pyramids
- Topics excluded: Ecological Succession and Nutrient Cycles
Expected no. of Questions: 1-2 questions of around 3 marks.
Download PDF: NCERT Solutions for Class 12 Biology Chapter 14 Ecosystem
NCERT Solutions for Class 12 Biology Chapter 14
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Structure of the Ecosystem
The structure of an ecosystem is characterized by the amalgamation of both biotic and abiotic components. This comprises the distribution of energy in our environment. It also includes the climatic conditions prevailing in that particular environment.
| The structure of an ecosystem can be split into two main components, namely:
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Function of Ecosystem
The functions of the ecosystem include the regulation of the essential ecological processes, support life systems, and rendering stability. It is also responsible for the cycling of nutrients between biotic and abiotic components. Moreover, it maintains a balance among the various trophic levels in the ecosystem. Also, it cycles the minerals through the biosphere. The abiotic components help in the synthesis of organic components that involves the exchange of energy.
Also Read:
| Related Articles | ||
|---|---|---|
| Photosynthetically active radiation | Carbon cycle | Biomass |
| Aquatic ecosystem | Phosphorous cycle | Terrestrial ecosystem |
| Abiotic factors | Biotic factors | Grazing food chain |
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