Science 3

1. Episode 03

2. OBJECTIVE : After completing this unit, we will be able to compare, contrast and describe the differences between primary and secondary succession CHANGES IN COMMUNITIES

4. a new land comes out of the ocean

7. There is no soil at all – just lava rocks

8. NO PLANTS – NO LIFE

9. Then pioneer species comes from nothing

10. A new soil appears

13. DESTROYED ECOSYSTEM

14. SOIL AND ORGANISMS STILL EXISTS

17. Secondary Succession

18. Observe how an untended city looks over the time This movie is about a real succession possibility