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Introduction: Diversity in the Living World Video Lecture | Biology Class 11 - NEET
FAQs on Introduction: Diversity in the Living World Video Lecture - Biology Class 11 - NEET
| 1. What is biodiversity? |  |
Ans. Biodiversity refers to the variety of life forms found on Earth, including all plants, animals, and microorganisms, as well as their genetic variability and the ecosystems they inhabit. It encompasses the different species, their habitats, and their interactions within ecosystems.
| 2. Why is biodiversity important? | |
Ans. Biodiversity is crucial for the functioning of ecosystems and the well-being of all living organisms, including humans. It provides numerous ecosystem services such as clean air and water, pollination, nutrient cycling, and climate regulation. Biodiversity also contributes to the development of new medicines, enhances food security, and supports livelihoods.
| 3. How is biodiversity measured? | |
Ans. Biodiversity can be measured at different levels, including genetic diversity, species diversity, and ecosystem diversity. Genetic diversity is assessed by analyzing the variation in DNA sequences, while species diversity is determined by counting the number of different species in a given area. Ecosystem diversity is measured by evaluating the variety of habitats and ecosystems present in a region.
| 4. What are the main threats to biodiversity? | |
Ans. The main threats to biodiversity include habitat destruction and fragmentation, pollution, climate change, invasive species, overexploitation of natural resources, and changes in land use. These factors can lead to the loss of species, destruction of habitats, and disruption of ecological processes, ultimately resulting in a decline in biodiversity.
| 5. How can we protect biodiversity? | |
Ans. Protecting biodiversity requires a combination of conservation efforts, sustainable resource management, and policy interventions. Conservation measures include the establishment of protected areas, habitat restoration, and the conservation of endangered species. Sustainable practices, such as sustainable agriculture and fisheries, can reduce the negative impacts on biodiversity. Additionally, raising awareness, promoting sustainable lifestyles, and implementing international agreements can contribute to the protection of biodiversity.
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