Question

Mention any three significances of food chains.

Answer 1

*Food chain helps us to know energy flow from one trophic level to another trophic level. Food chains describe the feeding relationship between the organisms of an ecosystem. ... Various trophic levels in a food chain include producers, primary consumers, secondary consumers and tertiary consumers

Answer 2

1) Food chain is very helpful for maintaining ecosystem.
2) Food chains also helps to know how much food we consume.
3) It leads us to know energy from one trophic level to other.