Скачать или смотреть The Invisible Living World | ONE SHOT | Ch2 Class 8 NCERT Science

The video is a detailed revision and summary of Chapter 2, "The Invisible Living World," from the Class 8 NCERT Science textbook.

[00:00] | Introduction and Chapter Overview

[01:02] | Discovery of the Microscopic World (Role of Robert Hooke, Leeuwenhoek, and Microscopes)

[03:24] | The Cell: Basic Unit of Life (Structure: Membrane, Cytoplasm, Nucleus)

[05:08] | Specialized Cell Features (Differences in Plant, Animal, and Bacterial Cells)

[07:57] | Levels of Organization (Cell to Organism) and Cellular Diversity (Uni- vs. Multi-cellular)

[10:07] | Major Groups of Microbes (Protozoa, Bacteria, Fungi, Algae, and Viruses)

[13:30] | Microbes in the Environment (Found Everywhere, Defense, Decomposers, and Nitrogen Fixation)

[18:22] | Beneficial Microbes (Food Production: Fermentation, Curd; Gut Bacteria; Environmental Cleaning)

[22:50] | Interconnections and Future Applications (Ecology, Conservation, and Biotechnology)

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