THE BIOSPHERE 5 ºA
by Patricia M

1. WHAT CAUSES EXTINCTION?
1.1. Deforestation
1.2. Pollution from factories
1.3. Global warming
1.4. Overhunting: to make boots or coats
1.5. Overfishing
2. WHAT CAN WE DO TO PROTECT THEIR HABITATS?
2.1. Natural parks
2.2. Natural reserves
3. WHAT IS THE BIOSPHERE?
3.1. The sum of all the ecosystems
4. FOOD CHAIN
4.1. It shows how the energy passes between organisms
4.2. It is made up with...
4.2.1. Producers
4.2.1.1. Kelp (aquatic)
4.2.1.2. Bamboo (terrestrial)
4.2.2. Primary Consumers
4.2.2.1. Sea urchin (aquatic)
4.2.2.2. Capybara (terrestrial)
4.2.3. Secondary consumers
4.2.3.1. Seal (aquatic)
4.2.3.2. Jaguar (terrestrial)
4.2.4. Tertiary consumers
4.2.4.1. Orcha (aquatic)
4.2.4.2. Caiman (terrestrial)
4.3. Competition or cooperation?
4.3.1. Competition: When animals fight for food, territory and water
4.3.1.1. When a lion and a leopard compete for a zebra or elephants
4.3.2. Cooperation: When animals help each other to survive
4.3.2.1. Take care of their offsprings
4.3.2.2. When they live in herds