The document summarizes key details about forests and trees: 1) Forests act like sponges, soaking up rainfall to protect soil from erosion. 2) Earthworms can live up to 16 years. A hectare of forest may contain over a ton of small animals. 3) Trees are identified by their rings, which indicate age. Tropical rainforest trees can be distinguished from temperate trees by their rings.

1. FOREST MORE THAT TREES Pepe, Àngel, Xisco and Peptoni

2. ULLASTRE - ACEBUCHE Olea europea sylvestris This is a photo of an ullastre

3. FORESTS Renew atmosphere Soak rainfall Protect soil from erosion 1) Why can a forest be compared to a sponge? When it rains, the forests capts the water. Peptoni

4. EARTH WORMS 2)How long do earth worms live? The earth worms live 16 years 3)How many small animals live in a hectare of forest? one tone. 4)How is humus made? Is made of organic material How many distinc layers are there? Fullaraca, Humus arrels i grava, grava i sals minerals, fragments de roca.

5. TREES -Roots: Raizes, arrels -Trunk: Tronco, tronc -Crown: Copa, coronell de fulles -Leaves: Hojas, fulles -Branches: Rama, branques -Flowers: Flores, flors -Fruits: Frutas, fruites -Seed: Semilla, llavors

6. The Ring and the earth worms 6)How we can know the age of a tree fron its rings? Is know by the number of rings inside the tree. 7)How can we tell the different between a rainforest tree in our climate by looking at this rings? 8) There are two videos showing two different kind of forest:a rainforest and a temperate forest.What is the main different between them. The difference is that in the tropical forest there are more species of animals in a temperate forest and in a tropical forest there are more vegetation.

7. SEEDS Seeds are the MOBILE part of a tree. Anemócora ··> Through water Endozoócora ··> Through animals Hidrócura ··> Flying Zoócora ··> Through excrements