Question

give 3 functions of an ecosystem
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Answer 1

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The ecosystem is the structural and functional unit of ecology where the living organisms interact with each other and the surrounding environment. In other words, an ecosystem is a chain of interaction between organisms and their environment. The term “Ecosystem” was first coined by A.G.Tansley, an English botanist, in 1935.

Functions

1. It regulates the essential ecological processes, supports life systems and renders stability.

2. It is also responsible for the cycling of nutrients between biotic and abiotic components.

3. It maintains a balance among the various trophic levels in the ecosystem.

4. It cycles the minerals through the biosphere.

5. The abiotic components help in the synthesis of organic components that involves the exchange of energy.

Answer 2

According to Pacala & Kinzig 2002, there are three classes of ecosystem functions: Stocks of energy and materials (for example, biomass, genes), Fluxes of energy or material processing (for example, productivity, decomposition Stability of rates or stocks over time (for example, resilience, predictability).