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Ecosystem in One Shot (NCERT) Video Lecture | One-Shot Videos for NEET
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| 1. What is an ecosystem? |  |
Ans. An ecosystem refers to a community of living organisms (plants, animals, and microorganisms) interacting with each other and their physical environment. It includes both biotic (living) and abiotic (non-living) components, such as plants, animals, soil, water, air, and sunlight.
| 2. How are ecosystems formed? | |
Ans. Ecosystems are formed through a process called ecological succession. This process starts with the colonization of an area by pioneer species, such as lichens and mosses. Over time, as these pioneer species die and decompose, they contribute to the formation of soil, which allows other plants to grow. As the plant community becomes more diverse, it attracts a variety of animals, creating a complex ecosystem.
| 3. What are the different types of ecosystems? | |
Ans. Ecosystems can be broadly categorized into terrestrial (land-based) and aquatic (water-based) ecosystems. Terrestrial ecosystems include forests, grasslands, deserts, and tundra. Aquatic ecosystems include freshwater ecosystems like rivers, lakes, and wetlands, as well as marine ecosystems like oceans, coral reefs, and estuaries.
| 4. How are ecosystems important for the environment? | |
Ans. Ecosystems play a crucial role in maintaining the balance of our planet's environment. They provide various ecological services, including oxygen production, water filtration, pollination, soil formation, and climate regulation. Additionally, ecosystems support biodiversity, which is essential for the stability and resilience of ecosystems and the overall health of the planet.
| 5. How can human activities impact ecosystems? | |
Ans. Human activities, such as deforestation, pollution, habitat destruction, and climate change, can have significant negative impacts on ecosystems. These activities can lead to the loss of biodiversity, disruption of ecological processes, and degradation of ecosystem services. It is essential to adopt sustainable practices and conservation measures to minimize the negative impacts of human activities on ecosystems.
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Nov 15, 2024 Last updated |
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