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Food Chains Video Lecture | Biology for SSS 1
FAQs on Food Chains Video Lecture - Biology for SSS 1
| 1. What is a food chain? |  |
Ans. A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another. It typically starts with producers (like plants), followed by primary consumers (herbivores), then secondary consumers (carnivores), and sometimes tertiary consumers.
| 2. Why are food chains important in an ecosystem? | |
Ans. Food chains are crucial because they illustrate how energy and nutrients flow through an ecosystem. They help to maintain balance by showing the relationships between different organisms, which can affect population control and biodiversity.
| 3. What are producers, consumers, and decomposers in a food chain? | |
Ans. Producers are organisms, usually plants, that create their own food through photosynthesis. Consumers are animals that eat other organisms; they can be herbivores (primary consumers) or carnivores (secondary and tertiary consumers). Decomposers, like fungi and bacteria, break down dead organic matter and recycle nutrients back into the soil.
| 4. Can food chains be complex, and what are food webs? | |
Ans. Yes, food chains can be complex, and they often interconnect to form food webs. A food web is a more intricate representation of how different food chains overlap and interact within an ecosystem, showing the multiple feeding relationships between organisms.
| 5. How do human activities impact food chains? | |
Ans. Human activities, such as pollution, deforestation, and overfishing, can disrupt food chains by altering habitats and reducing the populations of certain species. This disruption can lead to imbalances in ecosystems, affecting biodiversity and the survival of various organisms within those chains.
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Sep 25, 2025
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Video Description: Food Chains for SSS 1 2025 is part of Biology for SSS 1 preparation.
The notes and questions for Food Chains have been prepared according to the SSS 1 exam syllabus.
Information about Food Chains covers all important topics for SSS 1 2025 Exam.
Find important definitions, questions, notes, meanings, examples, exercises and tests below for Food Chains.
Introduction of Food Chains in English is available as part of our Biology for SSS 1 for SSS 1 & Food Chains in
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Video Lecture & Questions for Food Chains Video Lecture | Biology for SSS 1 - SSS 1 full syllabus preparation | Free video for SSS 1 exam to prepare for Biology for SSS 1.
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