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Ecosystem important points For NEET: An ecosystem refers to the community of living organisms, including the plants, animals, and microorganisms, in conjunction with their non-living environment, such as the air, water, and soil. Ecosystems are characterized by interactions between living and non-living components of an environment and flow of the energy and matter through them.

Ecosystems can vary in the size and the complexity, from a small pond to a vast tropical rainforest. They can also be classified into the different types based on their physical and biological characteristics, such as the terrestrial, aquatic, and marine ecosystems.

Each ecosystem is unique and can be affected by the various factors, including the climate change, human activities, and the natural disturbances like wildfires or floods. When an ecosystem is disrupted, it can have the far-reaching effects on organisms living within it, as well as on the human societies that depend on its resources.

The study of the ecosystems is essential for understanding how natural world works, and it provides the insight into ways in which the humans can interact with and preserve these vital systems.

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NCERT biology class 12 chapter 14 – 25 important points on ecosystem

There are 25 important points on ecosystem important points:

1. An ecosystem is a community of the living organisms (plants, animals, and microorganisms) and their non-living environment (air, water, and soil).


2. Ecosystems are essential for sustaining the life on Earth as they provide the resources such as the food, water, and oxygen.

3. Ecosystems can be natural, like forests, oceans, and grasslands, or they can be human-made, like the agricultural fields, urban parks, and gardens.

4. Ecosystems can be small or large, ranging from a small pond to the vast rainforest.

5. Ecosystems are interconnected, meaning that organisms within them are dependent on each other and  environment for their survival.

6. Energy flows through the ecosystems in a food chain or food web, with the producers (plants) at  bottom and consumers (animals) at higher levels.

7. The sun is primary source of energy for most of the ecosystems.

8. The water cycle and nutrient cycle are the important processes that maintains the balance of the ecosystems.

9. Biodiversity is important in the ecosystems as it ensures stability and resilience of ecosystem.

10. Human activities can have a significant impact on the ecosystems, including the pollution, deforestation, and climate change.

11. Natural disasters, such as the wildfires and floods, can also disrupt the ecosystems.

12. Ecosystem services are benefits that ecosystems provides to the humans, such as clean air and water, food, and recreation.

13. Ecosystem services have the economic value, and their degradation can have significant economic impacts.

14. Restoration of the degraded ecosystems can be achieved through conservation, rehabilitation, and restoration activities.

15. The loss of the ecosystems and biodiversity is a significant global environmental issue.

16. The conservation of the ecosystems and biodiversity is necessary to ensure sustainability of the human societies and the planet.

17. Protected areas, such as the national parks, are important for conserving the ecosystems and biodiversity.

18. Invasive species can disrupt the ecosystems and causes the ecological and economic damage.

19. Climate change is affecting the ecosystems by altering the temperature, precipitation patterns, and sea levels.

20. Ecosystem-based adaptation is an approach to climate change adaptation that uses the natural processes and ecosystems to reduce vulnerability of human communities.

21. Ecosystem-based management is an approach to managing natural resources that considers entire ecosystem, rather than the individual species or resources.

22. Ecosystems can be classified into the different types, such as aquatic, forest, grassland, desert, and tundra ecosystems.

23. Ecotones are the transition zones between different ecosystems and are important for biodiversity.

24. Ecological succession is process by which an ecosystem changes over time, from a barren landscape to a complex and a diverse ecosystem.

25. Ecosystems provides an  important cultural and spiritual values to many societies, including traditional knowledge and practices.

Some Important Questions From Biology Class 11

Chapter NameQuiz Link
The Living WorldPlay Now
Biological ClassificationPlay Now
Plant KingdomPlay Now
Animal KingdomPlay Now
Morphology of flowering plantsPlay Now
Anatomy of flowering plantsPlay Now
Cell: the unit of lifePlay Now
BiomoleculesPlay Now
Cell Cycle and cell divisionPlay Now
Transport in PlantsPlay Now
Structural organisation in AnimalsPlay Now
Mineral nutritionPlay Now
Photosynthesis in higher plantsPlay Now
Respiration in plantsPlay Now
Plant Growth and developmentPlay Now
Digestion and AbsorptionPlay Now
Breathing and Exchange of GasesPlay Now
Body fluids and circulationPlay Now
Excretory products and their eliminationPlay Now
Locomotion and MovementPlay Now
Neural Control and CoordinationPlay Now
Chemical Coordination and IntegrationPlay Now

Some Important Questions From Biology Class 12

Chapter NameQuiz Link
Reproduction in organismPlay Now
Sexual reproduction in flowering plantPlay Now
Human reproductionPlay Now
Reproductive healthPlay Now
Principles of inheritance and variationPlay Now
Molecular basis of inheritancePlay Now
EvolutionPlay Now
Human health and diseasePlay Now
Strategies for enhancement in food productPlay Now
Microbes in human welfarePlay Now
Biotechnology principles and processesPlay Now
Biotechnology and its applicationPlay Now
Organism and populationPlay Now
EcosystemPlay Now
Biodiversity and its conservationPlay Now
Environment issuePlay Now

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