2. These three units are:

3. - Sierra Morena: It separates the central plateau from Andalusia. It is very old

4. -The depression of Guadalquivir: It is also divided in three areas:

5. Fertile plain ,countryside(wavy forms , campiña) and marshes

6. -Betic Systems occupies near two thirds of the surface of Andalusia and it is divided in three part; Subbetic systems in the North and Pennibetic Mountain range in the South . They are separated by “depresión intrabética”

8. Subtropical climate;scarce rainfall and warm temperature

9. Semi-arid; without precipitations

10. Oceanic influence; a lot of precipitations over 600 mm

11. Continental ;it is located in the interior of Andalusia. Its summers are very hot and its winters are very cold.

13. Atlantic watershed: Irregular regime, numerous tributaries .Guadalquivir is the longest

14. Mediterranean watershed; short and irregular regime and they have got sharp slopes

16. Maquia; Dense bushes coscoja and juniper

17. Garriga; less dense than maquia , thyme, lavander, broom

18. Espartizal; esparto grass, palmetto ,

19. Others ; poplars, dehesas, bank forests and the Spanish fir