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Question
What is a food chain? Give an example of it.
Solution
- One living thing is dependent on other living things for the purpose of feeding. Therefore, they are interconnected with each other like a chain. This relationship is called a food chain.
- Plants prepare food with the help of sunlight. Leaves of this plant are nibbled by a caterpillar. Grasshoppers eat these caterpillars. Grasshoppers are eaten by sparrows. This is a food chain.
Sunlight → Plants → Caterpillar → Grasshopper → Sparrow
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Use your brain power!
Make up a food chain: Frog, kite, worm, snake, grass.
Observe the food web and answer the questions given below:
The mussel can be described as:
Observe the food web and answer the questions given below:
In the food web, what two organisms are competing for food?
A food web is very useful to show the many different feeding relationships between different species within an ecosystem.
Give two differences between food chain and food web.
Draw a diagram showing flow of energy from solar input to a food chain having four trophic levels in an ecosystem. List two inference that can be drawn from the energy flow diagram.
