Cells that possess the continuous capability of mitotic division. They are characterized by thin cell walls, dense cytoplasm, large nuclei, and an absence of intercellular spaces or vacuoles. They drive primary and secondary plant growth. 2. Permanent Tissue
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┌───────────────────────────┐ │ Plant Tissues │ └─────────────┬─────────────┘ │ ┌────────────────────────┴────────────────────────┐ ▼ ▼ ┌─────────────────┐ ┌─────────────────┐ │ Meristematic │ │ Permanent │ └─────────────────┘ └────────┬────────┘ │ ┌──────────────────────────┴──────────┐ ▼ ▼ ┌─────────────────┐ ┌─────────────────┐ │ Simple Tissue │ │ Complex Tissue │ └────────┬────────┘ └────────┬────────┘ │ │ ┌──────────────────────┼──────────────────────┐ ├──────────────┐ ▼ ▼ ▼ ▼ ▼ ┌─────────────┐ ┌─────────────┐ ┌─────────────┐ ┌───────────┐ ┌───────────┐ │ Parenchyma │ │Collenchyma │ │Sclerenchyma │ │ Xylem │ │ Phloem │ └─────────────┘ └─────────────┘ └─────────────┘ └───────────┘ └───────────┘ 1. Meristematic Tissue ssc biology chapter 2 hand note exclusive
A non-living, rigid outer layer composed primarily of cellulose. It provides structural support, maintains cell shape, and protects the protoplasm.
Nasal cavity, trachea, and lungs facilitating gas exchange. Cells that possess the continuous capability of mitotic
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Cylindrical, multinucleated, unbranched fibers with distinct bands. Controlled by conscious will (e.g., Limb muscles). No fluff
Chloroplasts: Contain green chlorophyll pigments; the primary site of photosynthesis.
Digestion (known as "suicide squads" or "suicide bags" for digesting worn-out cells).