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Mindmap: The Living World | Biology Class 11 - NEET PDF Download

Mindmap: The Living World | Biology Class 11 - NEET

The document Mindmap: The Living World | Biology Class 11 - NEET is a part of the NEET Course Biology Class 11.
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FAQs on Mindmap: The Living World - Biology Class 11 - NEET

1. What is the significance of biodiversity in the living world?
2. How do organisms interact with their environment in ecosystems?
Ans.Organisms interact with their environment through various processes such as predation, competition, symbiosis, and nutrient cycling. These interactions help in maintaining the balance of ecosystems. For example, plants produce oxygen and food through photosynthesis, while animals contribute to nutrient cycling through their waste and decomposition.
3. What are the major biogeochemical cycles important for sustaining life?
Ans.The major biogeochemical cycles include the water cycle, carbon cycle, nitrogen cycle, and phosphorus cycle. These cycles are crucial for recycling essential nutrients and maintaining ecosystem health. For instance, the carbon cycle regulates the amount of carbon dioxide in the atmosphere, which is vital for temperature regulation and plant growth.
4. How does natural selection contribute to evolution in the living world?
Ans.Natural selection is a process whereby organisms better adapted to their environment tend to survive and reproduce more successfully. This leads to the gradual evolution of species over time as advantageous traits become more common within a population. It is a key mechanism of evolution, explaining the diversity of life forms on Earth.
5. What role do producers, consumers, and decomposers play in an ecosystem?
Ans.Producers, such as plants and phytoplankton, convert solar energy into chemical energy through photosynthesis. Consumers, including herbivores and carnivores, depend on producers and other consumers for energy. Decomposers, like bacteria and fungi, break down dead organic matter, recycling nutrients back into the ecosystem. Together, they form a complex food web that sustains life.
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