Plant Tissues, Structure and Function

1. Plant Tissues, Structure and Function

2. Plant Tissues Plants have 4 different types of tissues that help them survive. Dermal Tissue Ground Tissue Meristematic Tissue Vascular Tissue

3. Dermal Tissue Tissue that covers the plant. Epidermis Periderm - Cork/Bark On woody parts of the plant Made of dead cells On non woody parts

4. Ground Tissue Tissue that makes up the inside of plants. It is specialized to: Carry out photosynthesis in the leaves Store photosynthetic products Support the plant

5. Vascular Tissue Moves water, dissolved minerals and nutrients throughout the plant body. There are 2 types of vascular tissue: • Xylem • Moves Water • Phloem • Moves Nutrients

6. Vascular Tissue Xylem Phloem Tubes that allow sugar and minerals to move down through the plant. Hollow, water-proof tubes that allow water to rise up in the plant via capillary action

7. Xylem Phloem

9. Mertistematic Tissue Tissue that allows the plant to grow up, down and/or out. Where mitosis occurs! Plants have 2 types of meristematic tissue • Apical Meristem • Allows growth at the tips of roots and branches….up and down • Vascular Cambium • In the outer layer of the stem/trunk that allows outward growth (thickness)

10. Mertistematic Tissue Apical Meristem Vascular Cambium Bundles in a non-woody plant Root tip

11. Structures Overview Plants have 3 main structures • Roots • A system for absorbing dissolved minerals and nutrients as well as water • Stems • A structure used to support the body of the plant • Leaves • The main photosynthetic regions of the plant.

12. Label Your Plant Flower Stem Leaf Roots

13. Roots • Help to anchor the plant to the ground • Absorb water and dissolved nutrients/minerals • Root hairs increase the surface area to increase absorption • Storage • Sugars such as starch • Propagation

14. Root Anatomy

15. Types of roots Fibrous Root Tap Root

16. Stems • Support • Conduct (movement) • Food storage • Protection • Propagation • Photosynthesis