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Plant Structure and Function

Plant Structure and Function. Plant Cells. Plant Tissue. Meristematic Tissue – Involved in growth Dermal Tissue – Outer layer of plant, also secretes the fatty cuticle Vascular Tissue – Xylem: Carries water and minerals from the root of the plant to the leaves.

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Plant Structure and Function

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  1. Plant Structure and Function

  2. Plant Cells

  3. Plant Tissue • Meristematic Tissue – Involved in growth • Dermal Tissue – Outer layer of plant, also secretes the fatty cuticle • Vascular Tissue – Xylem: Carries water and minerals from the root of the plant to the leaves. - Phloem: Carries food to all parts of the plant • Ground Tissue • Involved in photosynthesis, storage & support • Makes up most of the plant

  4. Roots • Usually the first structure to grow out of the seed when it sprouts • Mainly take in water and dissolved minerals • Anchor the plant • Grow as deeps as 50 m and wide as 15m

  5. Root Systems & Adaptations

  6. Stems • Main function is to support the plant’s leaves and reproductive structures • Can also transport water and dissolved minerals • Stems come in many different forms • Soft & flexible (annuals) • Rigid & fibrous (palm) • Sturdy & woody (trees) • Covered in bark

  7. Leaves • Main function is photosynthesis • Petiole attaches stem’s vascular system to leaf’s vascular system • Palisade Mesophyll is where photosynthesis happens • Spongy Mesophyll is where gas exchange occurs

  8. Characteristics of Leaves

  9. Flowers

  10. Flower Organs • Sepals: Protect the flower bud • Petals: Usually colorful structures that can both attract pollinators and provide them with a landing platform • Stamens: male reproductive organs • Pistil (carpel): female reproductive organs

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