1. Ecology Review

2. Ecology 
The study of relationships and interactions of living things with one another and their environment
What different types of organism interactions can you think of?

3. Biotic Factors  Abiotic Factors 
Look at the picture of an ecosystem and state the abiotic and biotic factors
Biotic Factors 
Living Factors (animals, plants, etc.)
Abiotic Factors 
Non-living factors (water, air, light, temperature, soil, minerals)
Abiotic  water, air, mountain, temperature, sand, sunlight
Biotic  fish, seaweed, dolphin, lobster, seagull, seal, sea anemone, coral, etc.

4. Biosphere  ALL LIFE Part of earth where life exists
Life can only be found a few miles above or below sea level (near the surface)
Includes:
Atmosphere
Hydrosphere
Lithosphere
ALL LIFE
AIR
WATER
LAND
(rock)

5. Biomes  What different biomes can you name?
A large region characterized by a specific type of climate and certain types of plants and animals
What different biomes can you name?

6. Ecosystem  Organisms and their physical environment
Includes the community and habitat
Interaction of biotic and abiotic factors

7. Habitat  Physical area where an organism lives
What are these animals’ habitats?
Tundra
Desert
Ocean
Savanna

8. Community 
All of the different organisms that live within a certain area (not just animals)
This community consists of many different populations

9. Population 
All organisms of a single species that live within a certain area
Look at the examples. What populations are evident?
Giraffe, buffalo, grass, trees

13. Nitrogen Cycle

14. Carbon Cycle

15. Water Cycle