Act as an award-winning Biology teacher and science...

Act as an award-winning Biology teacher and science animator. Create a highly engaging, accurate, and detailed explanation of "Tissues – Introduction and Types" for Class 9 CBSE students.** Begin with a real-life analogy explaining why groups of similar cells work together, then define **tissue** and explain how tissues increase efficiency through division of labour. Compare unicellular and multicellular organisms and explain why tissues evolved. Cover in detail: * Definition of tissue * Discovery of tissues and importance * Cell → Tissue → Organ → Organ System → Organism * Need for tissues in plants and animals * Difference between plant and animal tissues * Classification of plant tissues: * Meristematic tissues (Apical, Intercalary, Lateral) * Permanent tissues * Simple (Parenchyma, Collenchyma, Sclerenchyma) * Complex (Xylem, Phloem) * Protective tissues * Classification of animal tissues: * Epithelial * Connective * Muscular * Nervous For each tissue explain: * Structure * Location * Functions * Characteristics * Diagram description * Everyday examples * Memory tricks * Important NCERT points * Common mistakes students make * Previous CBSE question patterns Include comparison tables, flowcharts, mnemonics, and quick revision notes. End with 15 conceptual questions, 10 assertion–reason questions, 15 MCQs, and a one-page summary. Use simple language, storytelling, emojis where suitable, and keep the explanation visually descriptive so it can be converted into an educational animation or classroom presentation.