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Types of Ecosystem Video Lecture | Crash course for UPSC (Hindi)

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1. What are the different types of ecosystems?
Ans. Ecosystems can be classified into various types based on their characteristics. Some of the commonly recognized types of ecosystems include terrestrial ecosystems (such as forests, grasslands, deserts), aquatic ecosystems (such as lakes, rivers, oceans), and marine ecosystems (such as coral reefs, estuaries, mangroves).
2. What is a terrestrial ecosystem?
Ans. A terrestrial ecosystem refers to an ecosystem that is primarily land-based. It includes various types of habitats found on land, such as forests, grasslands, deserts, tundra, and mountains. These ecosystems are home to a diverse range of plants, animals, and microorganisms, and they interact with each other and their physical environment to form complex ecological systems.
3. What are aquatic ecosystems?
Ans. Aquatic ecosystems are those that are primarily water-based. They can be further categorized into freshwater ecosystems (such as lakes, rivers, ponds) and marine ecosystems (such as oceans, coral reefs, estuaries). These ecosystems support a wide array of aquatic organisms and play a crucial role in maintaining global biodiversity and ecosystem services.
4. What are the characteristics of a forest ecosystem?
Ans. Forest ecosystems are characterized by a dense concentration of trees and various other plant species, providing habitat for a wide range of animals and microorganisms. They have a high level of biodiversity and are often referred to as "biodiversity hotspots." Forest ecosystems play a significant role in carbon sequestration, climate regulation, water cycle, and soil conservation.
5. Are there any unique features of marine ecosystems?
Ans. Marine ecosystems have several unique features compared to terrestrial ecosystems. They cover approximately 70% of the Earth's surface and are home to a vast diversity of marine organisms. Marine ecosystems are highly dynamic, influenced by factors like tides, currents, temperature, and salinity. They provide essential resources, such as food and livelihoods for millions of people, and also contribute to climate regulation and oxygen production through photosynthesis by marine plants (phytoplankton).
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