ECOSYSTEM

1. Population

1.1. A class of species that rely on the same resources.

1.2. Size/ density

1.3. Regulation/ Distribution

1.4. Interactions between Biotic and Abiotic factors.

2. community

2.1. Gathering of population

2.2. Potential interactions among the different populations of organisms

2.3. Dynamics

2.4. Changes in species composition

3. Type of ecosystem

3.1. Tropical

3.2. Savana

3.3. Desert

3.4. Temprate Grass land

3.5. Temprate broad leaf forest

3.6. Northern coniferous forest

3.7. High Mountains

3.8. Tundra

3.9. Polar Ice

3.10. Aquatic

4. Distubances

4.1. Floods

4.2. Hurricanes

4.3. Lightening

4.4. Fire

4.5. Pollution

4.6. Human Activities

4.6.1. Pesticides

4.6.2. construction/ renovation

4.7. Drought

5. Biotic factors

5.1. Producers

5.1.1. plants

5.1.1.1. Land

5.1.2. Phytoplankton

5.1.2.1. Water

5.2. Consumers

5.2.1. Primary Consumers

5.2.1.1. Insects

5.2.1.2. Grazing mammals

5.2.1.3. Birds

5.2.1.4. zooplankton

5.2.1.5. Shrimp

5.2.2. Secondary Consumers

5.2.2.1. small mammals

5.2.2.2. Larger birds

5.2.2.3. Frogs

5.2.2.4. Large Carnivores that eat grazers

5.2.3. Tertiary consumer

5.2.3.1. Snakes

5.2.4. Quaternary Consumer

5.2.4.1. Hawk

5.2.4.2. Killer whale

5.2.5. Detritivores

5.2.5.1. earth worms

5.2.5.2. Millipedes

5.3. Animals

5.3.1. CARNIVORES

5.3.1.1. Scavengers/ Detritus

5.3.1.1.1. feed on dead animals waste, plant litter

5.3.2. OMNIVORES

5.3.3. HERBIVORES

5.4. Fungi

5.5. Bacteria

6. Abiotic factors

6.1. Sun Light

6.2. Soil

6.3. Temperature

6.4. Climate

6.5. Water

6.6. Air

6.6.1. oxygen

6.6.2. CO2

7. Energy

7.1. Chemical energy

7.2. Heat energy

7.3. Chemical elements

7.3.1. Decomposers