1. Forests an environmental treasure

2. What is an Eco System?
An ecosystem is a complete community of living organisms and the non living materials in their surroundings.
Examples:
Forests
Ponds
Oceans
Mountains
Jungles

3. What is a forest eco system ?
Ecosystems that are densely packed with trees, plants , animals, insects and microorganisms.

4. Forest eco systems
Look on pg 167 what are the 3 different forest ecosystems shown?

5. In your opinion, what accounts for the presences of different forest eco systems?

6. The survival of the species that live there is threatened.
What happens when there is a change in an element of a forest ecosystem?
The survival of the species that live there is threatened.

7. What distinguishes a primeval forest from an exploited forest?
Primeval: A forest where there is no human intervention, no humans venture there.
Exploited: Forest is altered by humans.

8. In your opinion, what would be the environmental consequences of a major reduction in forest territory?
deforestation
consequences
Less bio diversity
Stability of climate
Services provided by plants and animals would be lost.

9. Fill in the table
Type of forest
similarity
differnecs 1A 1B 1C

10. In your opinion, what animals live in these different ecosystems?

11. Where in the world are Primeval forests still found?
In the North
Amazon
Conservation areas
South America

12. What role do the roots of trees and plants play in nature?
They hold in the soil, which prevents erosion
Erosion

13. What role does foliage(leaves) play during precipitation?
Intercepts drops of water when there is precipitation. It protects the soil.

14. What proportion of the worlds plant and animal species live in forests?
2/3= 66.6%

15. Why are forests essential for animals?
Forests provide animals with shelter, food and space to breed.

16. How are forests useful for humans?
There are many resources for human beings