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[PDF] Download Revision Notes for Class 8 Science Chapter 7 Conservation of Plants and Animals
Here we are providing revision notes for class 8 science. We have two types of revision notes for class 8 science (i) Short revision notes (ii) Detailed revision notes. In this article, we are covering short revision notes for CBSE class 8 science chapter 7 Conservation of Plants and Animals.
Conservation of Plants and Animals Class 8 Revision Notes
- Biodiversity: Occurrence of innumerable number of different types of organisms and the whole range of their varieties (biotypes) adapted to different climates, environments and areas.
- Wildlife sanctuary, national park and bio-sphere reserve are names given to the areas meant for conservation and preservation of forest and wild animals.
- Biodiversity refers to the variety of living organisms in a specific area.
- Plants and animals of a particular area are known as the flora and fauna of that area.
- Endemic species are found only in a particular area.
- Endangered species are those which are facing the danger of extinction.
- Red Data Book contains a record of endangered species.
- Migration is the phenomenon of movement of a species from its own habitat to some other habitat for a particular time period every year for a specific purpose like breeding.
- We should save, reuse and recycle paper to save trees, energy and water.
- Reforestation is the restocking of destroyed forests by planting new trees.
- Flora: Different types of plants belonging to an area. Example: Silver ferns, sal, teak, mango, etc.
- Fauna: All animals found in an area. Example: dog, frog, insects, bull, jackal, etc.
- Endemic Species: Species of plants and animals found exclusively in a particular area. These are not naturally found anywhere else.
- Extinct Species: Species of plants and animals which have already been lost.
Example: Dodo, Indian cheetah, Pink-headed duck, etc. - Threatened Species: Species that is liable to become extinct if it is not allowed to realise its full biotic potential by removed the caused of threat.
Type of Threatened Species:
(i) Endangered Species: A species of animal or plant that is seriously at risk of extinction. Example: Indian rhinoceros, Asiatic lion, Asiatic wild ass, etc
(ii) Vulnerable Species: A vulnerable species is a species of animals or plants which are likely to become endangered unless something changes. Example: Chinkara deer and black buck, golden langur, etc
(iii) Rare Species: Species whose population are originally small and scattered in the world.
- National Parks: Protective areas reserved exclusively for the betterment of the wildlife. These are established at the approval of legislature.
Example: Hazaribagh National Park in Jharkhand, Desert National Park in Rajasthan, etc. - Sanctuaries: Hunting prohibited areas set up by government are known as sanctuaries. These are only for the protection of wild animals. Example: Jaldapara in Madarihat (West Bengal), Keoladeo Ghana in Bharatpur (Rajasthan)
- Migration: The regular, periodic, two way movements of birds and some animals from their place of residence to some other place along well defined routes. It is linked to seasonal factors, breeding, shortage of foods, etc. The Bharatpur bird sanctuary is known for the migratory birds.
Chapter List
Chapter 1 Crop Production and Management
Chapter 2 Microorganisms: Friend and Foe
Chapter 3 Synthetic Fibres and Plastics
Chapter 4 Materials: Metals and Non-Metals
Chapter 5 Coal and Petroleum
Chapter 6 Combustion and Flame
Chapter 7 Conservation of Plants and Animals
Chapter 8 Cell Structure and Functions
Chapter 9 Reproduction in Animals
Chapter 10 Reaching the Age of Adolescence
Chapter 11 Force and Pressure
Chapter 12 Friction
Chapter 13 Sound
Chapter 14 Chemical Effects of Electric Current
Chapter 15 Some Natural Phenomena
Chapter 16 Light
Chapter 17 Stars and the Solar System
Chapter 18 Pollution of Air and Water
Benefits of Using One Page Revision Notes for Class 8 Science
Here are the benefits of using one-page revision notes for CBSE Class 8 Science:
- Concise Overview: One-page revision notes condense important information from each chapter into a single page, providing a quick and comprehensive overview of the entire syllabus.
- Time-Saving: These notes save valuable study time as they allow students to quickly review key concepts without going through lengthy textbooks or extensive notes.
- Effective Recap: One-page notes serve as an efficient tool for last-minute revision before exams, helping students refresh their memory and reinforce their understanding of critical topics.
- Easy to Carry: Students can easily carry these compact notes anywhere, making them convenient for on-the-go studying, whether at school, home, or during travel.
- Improved Focus: The condensed format encourages students to concentrate on the most essential points, reducing the risk of distraction from irrelevant information.
- Enhanced Retention: Summarized information is easier to remember, making it ideal for retaining key concepts and formulas for the exam.
- Organization: One-page notes often follow a structured format, aiding in the organization of information and making it easier for students to locate specific topics.
- Quick Reference: During the exam, one-page notes can be used as a quick reference guide to quickly recall important facts and concepts.
- Boosted Confidence: Having concise revision notes can boost students’ confidence in their exam preparedness, as they can easily review the entire syllabus in a short amount of time.
- Customization: Students can create their own one-page notes, allowing them to personalize the content to suit their learning style and preferences.
- Comprehensive Coverage: Despite their brevity, one-page notes should cover all essential topics and concepts, ensuring students don’t miss any important information.
In summary, one-page revision notes for CBSE Class 8 Science offer a convenient and effective way for students to review and consolidate their knowledge, ultimately aiding in better exam performance.
