U4 l4 types of roots

Review previous learned material

1. Review

2. Alternate : One leaf grows from each node on the stem. node stem

3. Opposite : Two leav es grows from each node on the stem. node stem

4. Whorled : More than two leav es grow from each node on the stem. node stem

5. Look at the leaves and describe the leaf position!

6. Whorled

7. Opposite

8. Whorled

9. Alternate

10. Opposite

11. Alternate

12. Types of Stems There are different types of plant stems.

13. Straight Stem The Balsam plant has a straight stem . Straight stems support themselves.

14. Climbing Stem The Morning Glory has a climbing stem . Climbing stems wrap around other things to support themselves.

15. Trailing Stems Strawberries have trailing stems . Trailing stems grow along the ground.

16. Types of Roots

17. Types of Roots Roots anchor a plant in the soil. Roots absorb water and transport it to the plant. Roots absorb nutrients and transport them to the plant. Some roots store food.

18. Tap Root The first root produced from a seed is called the radicle . In many dicot plants this root grows very large and becomes the main root of the plant. It is called a tap root . Many smaller roots, called secondary roots , may grow from the tap root.

19. Tap Root Tap root Secondary roots

20. Fibrous Roots In monocot plants, the radicle is replaced by many roots of more less equal size. These roots spread out over a large area like a net .

21. Fibrous Roots Look like a net.

22. Some examples of fibrous roots are in the garlic and scallion plants. Garlic Scallion

23. Open your books and complete pages 24 and 25.

24. Page 24 What anchors a plant in the soil? Roots

25. Page 24 If a plant has one large root, what type of root is it? It is a tap root.

26. Page 25 What do roots absorb? Water and nutrients.

27. Page 25 If the roots of a plant are spread out over a large area, what type of roots are they? They are fibrous roots.

28. Let’s design our own flowers. You need to decide some of its features. What kind of stem does it have? (Straight, Climbing or Trailing?) How does it leaves grow? (Whorled, Alternate or Opposite) Does it have any thorns on its stem? What kind of roots does it have? (Tap Root or Fibrous Root) What does its leave look like? What kind of fruit does it have? What’s its fruit’s name? Draw its flower, what color is it? Does it have any special features like poisonous leaves? Where does your plant grow? If it’s a tree, what does the bark look like?

29. Plant Name : Adaidil Fruit Name: Moccaberry How do the leaves grow? Whorled Describes the leaves: The leaves long and thin. What type of stem does it have? It has a straight stem. What type of roots does it have? It has fibrous roots. Does your plant have any special features? If you eat the leaves of Adaidil you will have amazing energy. You can go two days without sleeping.

30. Homework Complete page 26 in your book.