3. Tissues: Plant and Animal Tissues
Tissues are defined as a group of similar cells working together to carry out specific functions, forming the basic organization in multicellular organisms. Plant tissues are categorized into meristematic and permanent tissues, while animal tissues consist of epithelial, connective, muscular, and nervous tissues. Understanding the differences between plant and animal tissues is crucial in studying how organisms function and survive.
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What we have learnt
- Tissues are groups of similar cells that perform specific functions.
- Plant tissues are classified into meristematic and permanent tissues.
- Animal tissues include epithelial, connective, muscular, and nervous types.
Key Concepts
- -- Meristematic Tissues
- Tissues made of actively dividing cells, crucial for growth in plants.
- -- Epithelial Tissue
- A type of tissue that covers body surfaces and lines cavities, with various forms like simple squamous and cuboidal.
- -- Connective Tissue
- Tissues that connect and support other tissues, including types like adipose and cartilage.
- -- Muscular Tissue
- Tissues that enable movement through contraction, comprising striated, unstriated, and cardiac types.
- -- Nervous Tissue
- Composed of neurons that transmit messages throughout the body.
- -- Complex Permanent Tissues
- Tissues made of more than one type of cell, aiding in transport within plants.
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