Chhattisgarh Board Solutions for Chapter: Our Environment: Energy Flow in the Ecosystem, Exercise 11: Exercise

The food chain in a pond starts from some water plants that are eaten by certain fishes those eaten by others extending finally to humans. The energy here from one trophic level to another will-

A type of fungi is grown on rice husk. We eat fungi. Does it show a food chain? Illustrate the food chain. What is the source of energy for this food chain?

How does energy flow in any ecosystem? Explain in your own words.

What will happen if only plants and humans are left on earth as living organisms or biotic component?

What will happen if the natural flow of energy in an ecosystem is disrupted? Explain with an example.

How does the availability of energy affect the number of organisms at different trophic levels?

Site an example where you find the effect of human beings on an ecosystem. Explain why you think so and suggest some means to minimize the same.