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Difference between food chain and food web
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1)food chain is a straight line whereas food web is not in a straight sequence.
2)If a organism dies in food chain it affects the other trophic level whereas in a food web if a organism dies the other level is not affected.
3)In a food chains a large population is not involved whereas in a food web a large population is involved.
4)Example of food chain:GRASS-INSECT-FROG-SNAKE
FAQs on Difference between food chain and food web - Class 10
| 1. What is the difference between a food chain and a food web? |  |
Ans. A food chain is a linear sequence that shows the transfer of energy from one organism to another in an ecosystem. It depicts the flow of energy and nutrients from producers to consumers, and finally to decomposers. On the other hand, a food web is a more complex representation of interconnected food chains. It shows multiple feeding relationships in an ecosystem, with various organisms being both predators and prey.
| 2. How are food chains and food webs similar? | |
Ans. Both food chains and food webs are representations of the flow of energy and nutrients in an ecosystem. They demonstrate the feeding relationships between different organisms, showing how energy is transferred from one organism to another. Both food chains and food webs illustrate the concept of producers, consumers, and decomposers.
| 3. What is the significance of studying food chains and food webs? | |
Ans. Studying food chains and food webs is crucial for understanding the dynamics of ecosystems and the interdependence of organisms. It helps us comprehend how energy flows through different trophic levels and how disruptions in one part of the food web can impact the entire ecosystem. By studying these concepts, scientists can assess the stability and health of an ecosystem and make informed conservation and management decisions.
| 4. Can you give an example of a food chain and a food web? | |
Ans. Sure! An example of a food chain could be: grass → grasshopper → frog → snake → hawk. Here, the grass is the producer, the grasshopper is the primary consumer, the frog is the secondary consumer, the snake is the tertiary consumer, and the hawk is the quaternary consumer.
An example of a food web could include multiple food chains interconnected. For instance, it could consist of a grass → grasshopper → frog → snake food chain, as well as a grass → rabbit → fox food chain. These chains would then be linked together to form a food web.
| 5. How does the disruption of a species in a food web affect the entire ecosystem? | |
Ans. Disruption of a species in a food web can have cascading effects on the entire ecosystem. If a predator is removed or its population declines, it can lead to an increase in the population of its prey. This, in turn, can result in a decrease in the population of the prey's food source. These ripple effects can continue throughout the food web, causing imbalances in population sizes and potentially leading to the collapse of certain populations or even the entire ecosystem.
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Nov 15, 2024 Last updated |
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