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Ecosystems Video Lecture | Science Class 5

FAQs on Ecosystems Video Lecture - Science Class 5

1. What is an ecosystem and what are its main components?

Ans.An ecosystem is a community of living organisms interacting with each other and their physical environment. The main components of an ecosystem include biotic factors, such as plants, animals, and microorganisms, and abiotic factors, such as soil, water, and climate.

2. How do energy and nutrients flow in an ecosystem?

Ans.Energy flows through an ecosystem in a one-way direction, starting from the sun to producers (like plants) and then to consumers (animals). Nutrients, on the other hand, cycle through the ecosystem as they are reused by different organisms and decomposed back into the soil by decomposers.

3. What is the role of producers, consumers, and decomposers in an ecosystem?

Ans.Producers, such as plants, make their own food through photosynthesis and provide energy for consumers. Consumers are animals that eat plants or other animals to gain energy. Decomposers, like bacteria and fungi, break down dead organic matter, returning nutrients to the soil and completing the cycle.

4. Why are ecosystems important for the environment and human life?

Ans.Ecosystems are crucial because they provide essential services such as clean air and water, food resources, and habitat for wildlife. They also help regulate climate and support biodiversity, which is vital for resilience against environmental changes.

5. What are some threats to ecosystems and how can we protect them?

Ans.Threats to ecosystems include pollution, deforestation, climate change, and invasive species. We can protect ecosystems by promoting sustainable practices, conserving natural habitats, reducing waste, and supporting policies aimed at environmental protection.

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Sep 03, 2025 Last updated

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Video Description: Ecosystems for Class 5 2025 is part of Science Class 5 preparation. The notes and questions for Ecosystems have been prepared according to the Class 5 exam syllabus. Information about Ecosystems covers all important topics for Class 5 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Ecosystems.

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Video Lecture & Questions for Ecosystems Video Lecture | Science Class 5 - Class 5 full syllabus preparation | Free video for Class 5 exam to prepare for Science Class 5.

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	Science Class 5 42 videos\|354 docs\|45 tests

Science Class 5

42 videos|354 docs|45 tests

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