Class 7 Exam > Class 7 Questions > Which of the following activities demonstrate...
Start Learning for Free
Which of the following activities demonstrates human modification of the environment?
- a)Planting trees
- b)Preserving wetlands
- c)Constructing dams
- d)Protecting endangered species
Correct answer is option 'C'. Can you explain this answer?
| FREE This question is part of | Download PDF Attempt this Test |
Most Upvoted Answer
Which of the following activities demonstrates human modification of t...
Constructing dams
Constructing dams is a clear example of human modification of the environment. Dams are built to control water flow, generate hydroelectric power, and provide water for irrigation and domestic use. This activity alters natural waterways, disrupts ecosystems, and changes the landscape significantly.
Impact on the environment
1. **Altering ecosystems**: Dams can lead to the flooding of large areas of land, which can submerge forests, wetlands, and other habitats. This can displace wildlife and disrupt the balance of the ecosystem.
2. **Changing water flow**: Dams regulate the flow of rivers, which can affect downstream habitats, water quality, and sediment transport. This alteration can impact aquatic life and vegetation.
3. **Human displacement**: The construction of dams often involves the relocation of communities living in the affected areas. This can have social and economic repercussions on the displaced populations.
Environmental concerns
1. **Loss of biodiversity**: Dams can fragment habitats and isolate populations, leading to a decline in biodiversity.
2. **Water quality issues**: Stagnant water in reservoirs can lead to the accumulation of pollutants and affect water quality downstream.
3. **Sedimentation**: Dams trap sediment, which can lead to erosion downstream and impact aquatic ecosystems.
In conclusion, constructing dams is a significant human activity that modifies the environment and can have far-reaching consequences on ecosystems, biodiversity, and communities. It is essential to consider the environmental impacts of such projects and implement mitigation measures to minimize negative effects.
Constructing dams is a clear example of human modification of the environment. Dams are built to control water flow, generate hydroelectric power, and provide water for irrigation and domestic use. This activity alters natural waterways, disrupts ecosystems, and changes the landscape significantly.
Impact on the environment
1. **Altering ecosystems**: Dams can lead to the flooding of large areas of land, which can submerge forests, wetlands, and other habitats. This can displace wildlife and disrupt the balance of the ecosystem.
2. **Changing water flow**: Dams regulate the flow of rivers, which can affect downstream habitats, water quality, and sediment transport. This alteration can impact aquatic life and vegetation.
3. **Human displacement**: The construction of dams often involves the relocation of communities living in the affected areas. This can have social and economic repercussions on the displaced populations.
Environmental concerns
1. **Loss of biodiversity**: Dams can fragment habitats and isolate populations, leading to a decline in biodiversity.
2. **Water quality issues**: Stagnant water in reservoirs can lead to the accumulation of pollutants and affect water quality downstream.
3. **Sedimentation**: Dams trap sediment, which can lead to erosion downstream and impact aquatic ecosystems.
In conclusion, constructing dams is a significant human activity that modifies the environment and can have far-reaching consequences on ecosystems, biodiversity, and communities. It is essential to consider the environmental impacts of such projects and implement mitigation measures to minimize negative effects.
Free Test
FREE
| Start Free Test |
Community Answer
Which of the following activities demonstrates human modification of t...
Constructing dams is a human activity that modifies the environment by altering natural water flow and creating reservoirs.
Attention Class 7 Students!
To make sure you are not studying endlessly, EduRev has designed Class 7 study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in Class 7.
|
Explore Courses for Class 7 exam
|
|
Top Courses for Class 7View all
Which of the following activities demonstrates human modification of the environment?a)Planting treesb)Preserving wetlandsc)Constructing damsd)Protecting endangered speciesCorrect answer is option 'C'. Can you explain this answer?
Question Description
Which of the following activities demonstrates human modification of the environment?a)Planting treesb)Preserving wetlandsc)Constructing damsd)Protecting endangered speciesCorrect answer is option 'C'. Can you explain this answer? for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about Which of the following activities demonstrates human modification of the environment?a)Planting treesb)Preserving wetlandsc)Constructing damsd)Protecting endangered speciesCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following activities demonstrates human modification of the environment?a)Planting treesb)Preserving wetlandsc)Constructing damsd)Protecting endangered speciesCorrect answer is option 'C'. Can you explain this answer?.
Which of the following activities demonstrates human modification of the environment?a)Planting treesb)Preserving wetlandsc)Constructing damsd)Protecting endangered speciesCorrect answer is option 'C'. Can you explain this answer? for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about Which of the following activities demonstrates human modification of the environment?a)Planting treesb)Preserving wetlandsc)Constructing damsd)Protecting endangered speciesCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following activities demonstrates human modification of the environment?a)Planting treesb)Preserving wetlandsc)Constructing damsd)Protecting endangered speciesCorrect answer is option 'C'. Can you explain this answer?.
Solutions for Which of the following activities demonstrates human modification of the environment?a)Planting treesb)Preserving wetlandsc)Constructing damsd)Protecting endangered speciesCorrect answer is option 'C'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 7.
Download more important topics, notes, lectures and mock test series for Class 7 Exam by signing up for free.
Here you can find the meaning of Which of the following activities demonstrates human modification of the environment?a)Planting treesb)Preserving wetlandsc)Constructing damsd)Protecting endangered speciesCorrect answer is option 'C'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of
Which of the following activities demonstrates human modification of the environment?a)Planting treesb)Preserving wetlandsc)Constructing damsd)Protecting endangered speciesCorrect answer is option 'C'. Can you explain this answer?, a detailed solution for Which of the following activities demonstrates human modification of the environment?a)Planting treesb)Preserving wetlandsc)Constructing damsd)Protecting endangered speciesCorrect answer is option 'C'. Can you explain this answer? has been provided alongside types of Which of the following activities demonstrates human modification of the environment?a)Planting treesb)Preserving wetlandsc)Constructing damsd)Protecting endangered speciesCorrect answer is option 'C'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice Which of the following activities demonstrates human modification of the environment?a)Planting treesb)Preserving wetlandsc)Constructing damsd)Protecting endangered speciesCorrect answer is option 'C'. Can you explain this answer? tests, examples and also practice Class 7 tests.
|
|
Explore Courses for Class 7 exam
|
|
Suggested Free Tests
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
|
© EduRev
|
Education Revolution
|
Follow Us
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup