Ecosystems

1. Photosynthesis

2. Cycle

2.1. Water cycle

2.1.1. Pecipitation

2.1.2. Condensation

2.1.3. Evaporation

2.2. Pyramid of numbers

3. Food chain

3.1. Food web

3.2. Animals

3.2.1. Producer

3.2.2. Consumer

3.2.3. Herbivore

3.2.4. Carnivore

3.2.5. Scavenger

3.2.6. Omnivore

3.2.7. Destrier

3.2.8. Decomposer

3.2.9. Prey

4. Arctic

4.1. Polar bears

4.2. Oceans

4.2.1. Sea level rise

5. Endangered spices

5.1. Gorilla

5.2. Sea turtles

5.3. Amur Leopard

5.4. Sumatran Elephant

5.5. Orangutan

5.6. Saola

5.7. Vaquait

5.8. Tigers

6. Types of ecosystems

6.1. Rain forest

6.2. Grass land

6.3. Desert

6.4. Tundra

6.5. Fresh water

6.6. Marine water