Food webs help in maintaining ecosystem stability because they:
provide alternative food sources
In a food web each organism has several food sources.
If one food source declines, consumers can switch to another, so the loss of one population does not collapse the ecosystem.
These alternative food sources keep the ecosystem stable.
Hence, the answer is that they provide alternative food sources.
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Important Questions from Ecology and Environment
The Imperial Forest Research Institute was set up in 1906 in:
Buxa Tiger Reserve is located in:
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