1. Plant Tissues Highlight or underline-
New cells formed in the meristems of a plant are similar in appearance and function
Some must remain meristematic
Most mature and become other tissues

2. Plant Tissues Highlight or underline- Tissues may be classified
I Meristems
II Permanent
A Dermal- surface
B Ground
Parenchyma
Collenchyma
Sclerenchyma
C Vascular
Xylem
Phloem

3. Plant Tissues Highlight or underline-
A simple tissue is composed of only one cell type.
Complex tissues contain more than one cell type

4. Meristematic Tissue Highlight or underline-
Apical meristems are located at the tips of stems and roots.
The activity of these meristems results in an increase in plant length.
This is primary growth
The resulting tissues are called primary tissues

5. Meristematic Tissue Highlight or underline-
Lateral meristems are found near the periphery of stems and roots and are responsible for increase in diameter.
This is know as secondary growth and secondary tissues

6. Questions 4a and b
Guard Cells
Bean shaped
Others?

7. Surface Tissues
Observe and answer questions 4 a and b.

8. Observe and answer Question 5a and b
Other epidermal cells

9. Questions 6 and 7 6. Protects against __?__ loss
7. The guard cells regulate the size of stomata. As a result they control gas exchange and water loss

10. Question 8
Clue: how many kinds of cells are present?

11. Figure 2.9 Lower Epidermis
Epidermal

12. Periderm or cork Highlight or underline –
Periderm replaces the epidermis on plants with active lateral meristems.
Cork cells fit tightly together and are dead at maturity.

13. Simple Fundamental Tissue
Collenchyma
Highlight or underline-
Collenchyma is a simple tissue with irregularly thickened cell walls

14. Collenchyma
Answer Question 9

15. Parenchyma Highlight or underline
Parenchyma is the most common kind of simple tissue. It makes up the bulk of the herbaceous (non woody) plant body.

16. Parenchyma

17. Sclerenchyma Highlight or underline-
Sclerenchyma cells have thick secondary cell walls and are dead at maturity
In contrast to collenchyma has evenly thickened walls

18. Question 11
Sclerenchyma
Very thick walls

19. Sclerenchyma

20. Sclerenchyma Fibers
Figure 2.11

21. Question 12
Sclerenchyma
Parenchyma
Collenchyma
Figure 2.12

22. Important Note: Highlight or underline-
Parenchyma, collenchyma and sclerenchyma are basic cell types that often form simple tissues. Frequent references will be made of these three tissues. Know their characteristics and main functions.