Question

ecosystem is self sustaining discuss referring to forest

Answer 1

Ecosystem is self sustaining:

The forest ecosystem is a balanced ecosystem.

Forest consist of plant (producers) , animals (consumers), primary consumer (herbivores), secondary consumer (carnivores), tertiary consumers (secondary carnivores) and omnivores. Finally the decomposers.

The plants make food for herbivores, the carnivores like lion, tiger eat herbivores and the omnivores (example fox,rat) eat both plants and animals.

The ecosystem is self-sustaining or self balanced since the food chain is not affected by any intervention.

The decomposers like bacteria, fungi etc. decay the organic matter which are burried in the soil will enhance the production of plants.

Thus food chain is maintained and self balanced environment is created.

Answer 2

The soil of forests also gets naturally replenished by the decomposition of dead organic matter. Decomposers feed on this dead, decaying matter and convert it into dark coloured, nutrient - rich substance called humus. In this way, the nutrients are returned to the soil and are again used by plants and trees to develop food for animals. A forest is hence said to be self sustaining.

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