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The term ‘ecosystem’ was enunciated by
  • a)
    C.C. Park
  • b)
    G. Mendel
  • c)
    A.G. Tansley
  • d)
    E.P. Odum
Correct answer is option 'C'. Can you explain this answer?
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Most Upvoted Answer
The term ‘ecosystem’ was enunciated by a) C.C. Parkb) G. Mend...
The term ecosystem was coined by A G Tansley. Ecosystem is the interaction of living organisms, with their the physical environment in a particular unit of space.
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The term ‘ecosystem’ was enunciated by a) C.C. Parkb) G. Mend...
Origin of the Term 'Ecosystem'
The term "ecosystem" was first introduced by the British ecologist A.G. Tansley in 1935. This concept has played a crucial role in the study of ecology, emphasizing the interconnections between living organisms and their physical environment.
Key Contributions of A.G. Tansley
- Definition: Tansley defined an ecosystem as a system formed by the interaction of a community of organisms with their physical environment.
- Components: He highlighted that ecosystems consist of both biotic (living) and abiotic (non-living) components, which interact in various ways.
- Focus on Interrelationships: Tansley's work underscored the importance of understanding the relationships between different species and their habitats.
Significance in Ecology
- Holistic View: The ecosystem approach promotes a holistic view of ecological studies, moving beyond the study of individual species to focus on larger systems.
- Ecological Balance: Understanding ecosystems is vital for maintaining ecological balance and managing environmental resources effectively.
- Research and Conservation: The concept has been foundational for ecological research and conservation efforts, influencing policies and practices aimed at environmental sustainability.
In summary, A.G. Tansley's introduction of the term "ecosystem" has significantly shaped our understanding of ecology, providing a framework to study the complex interactions within natural systems.
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Ecosystems provide people with a variety of goods and services; food, clean water, clean air, flood control, soil stabilization, pollination, climate regulation, spiritual fulfilment and aesthetic enjoyment, to name just a few. Most of these benefits either are irreplaceable or the technology necessary to replace them is prohibitively expensive. For example, potable fresh water can be provided by desalinating sea-water, but only at great cost. The rapidly expanding human population has greatly modified the Earths ecosystems to meet their increased requirements of some of the goods and services, particularly food, fresh water, timber, fibre and fuel. These modifications have contributed substantially to human well being and economic development. The benefits have notbeen equally distributed. Some people have actually been harmed by these changes. Moreover, short-term increases in some ecosystem goods and services have come at the cost of the long-term degradation of others. For example, efforts to increase the production of food and fibre have decreased the ability of some ecosystems to provide clean water, regulate flooding and support biodiversity.Q. With reference to the passage, consider the following statements:1. It is imperative to modify the Earths ecosystems for the well being of mankind. 2. Technology can never replace all the goods and services provided by ecosystems. Which of the statements given above is/are correct ?

Ecosystems provide people with a variety of goods and services; food, clean water, clean air, flood control, soil stabilization, pollination, climate regulation, spiritual fulfilment and aesthetic enjoyment, to name just a few. Most of these benefits either are irreplaceable or the technology necessary to replace them is prohibitively expensive. For example, potable fresh water can be provided by desalinating sea-water, but only at great cost. The rapidly expanding human population has greatly modified the Earths ecosystems to meet their increased requirements of some of the goods and services, particularly food, fresh water, timber, fibre and fuel. These modifications have contributed substantially to human well being and economic development. The benefits have notbeen equally distributed. Some people have actually been harmed by these changes. Moreover, short-term increases in some ecosystem goods and services have come at the cost of the long-term degradation of others. For example, efforts to increase the production of food and fibre have decreased the ability of some ecosystems to provide clean water, regulate flooding and support biodiversity.Q. The passage mentions that some people have actually been harmed by these changes. What does it imply?1. The rapid expansion of population has adversely affected some people. 2. Sufficient efforts have not been made to increase the production of food and fibre.3. In the short term some people may be harmed, but in the long term everyone will benefit from modifications In the Earths ecosystems.Which of the statements given above is/are correct?

Read the following passage and answer the item that follows. Your answer to the item should be based on the passage only.PASSAGEGrazing ecosystems, such as grasslands, shrublands, and steppes savannahs cover about 10% of India and about 40% of the world. Historically, these ecosystem support nearly all megafauna around the world and are home to reptiles, birds, amphibians. Such “drylands” have been threatened by alternate land use. “Drylands seem to lack a legitimate standing in our policy due to the unfortunate ‘wasteland’ tag which originatedduring our colonial past that was enamored by forests. Many Indian ecologists, including my colleagues, are trying to change this mindset.” “Grazing ecosystems store carbon in the soil and therefore decarbonize the atmosphere. Large mammals are crucial for all this. Unfortunately, wild mammals are confined to a few parks and reserves. Elsewhere wildlife has long been replaced by domestic livestock.”What is the most important inference from the above passage?

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The term ‘ecosystem’ was enunciated by a) C.C. Parkb) G. Mendelc) A.G. Tansleyd) E.P. OdumCorrect answer is option 'C'. Can you explain this answer?
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