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Audio Notes: Diversity in the Living World Video Lecture | Science for Class 6

FAQs on Audio Notes: Diversity in the Living World Video Lecture - Science for Class 6

1. What is biodiversity and why is it important in our ecosystem?

Ans. Biodiversity refers to the variety of life forms on Earth, including the different species of plants, animals, and microorganisms, as well as the ecosystems they form. It is important because biodiversity contributes to ecosystem resilience, allows for natural sustainability, and provides resources such as food, medicine, and materials. A rich biodiversity ensures ecological balance and supports essential processes like pollination, nutrient cycling, and climate regulation.

2. How do different species contribute to biodiversity?

Ans. Different species contribute to biodiversity by fulfilling various roles within ecosystems. For example, some species are primary producers (like plants) that convert sunlight into energy, while others are consumers (like animals) that rely on these producers for food. Additionally, decomposers (such as fungi and bacteria) break down dead organic matter, returning nutrients to the soil. Each species plays a unique role, and the loss of any species can disrupt the balance of the ecosystem.

3. What are the main threats to biodiversity?

Ans. The main threats to biodiversity include habitat destruction, climate change, pollution, overexploitation of resources, and invasive species. Habitat destruction occurs due to urbanization, agriculture, and deforestation, which leads to the loss of living spaces for many species. Climate change alters habitats and affects species' survival, while pollution can harm both terrestrial and aquatic ecosystems. Overexploitation refers to harvesting species at unsustainable rates, and invasive species can outcompete native species, leading to declines in biodiversity.

4. How can we conserve biodiversity?

Ans. Conservation of biodiversity can be achieved through various methods, including establishing protected areas (like national parks), promoting sustainable practices in agriculture and fishing, restoring degraded ecosystems, and raising awareness about the importance of biodiversity. Additionally, legislation and policies aimed at protecting endangered species and their habitats are crucial. Community involvement and education also play a significant role in conservation efforts.

5. What role do humans play in maintaining biodiversity?

Ans. Humans play a crucial role in maintaining biodiversity through both positive and negative actions. On the positive side, humans can engage in conservation efforts, support sustainable practices, and restore habitats. On the negative side, many human activities, such as pollution, deforestation, and urbanization, contribute to biodiversity loss. Therefore, it is essential for individuals and communities to understand their impact on the environment and take steps to mitigate harm while promoting biodiversity.

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Oct 23, 2025 Last updated

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