1. Notes - Ecology 

2. Abiotic Factor The non-living parts of an organism's habitat.
Examples: sunlight, temperature, rain, water, soil
Abiotic Factor

3. Any living part of the environment with which an organism might interact
Examples: Plants, animals, insects, reptiles
Biotic Factor

4. The study of how living things interact with each other and their environment
Ecology

5. The living organisms (all the populations) in an area AND the non-living aspects of the environment
Ecosystem

6. Sunlight
Where energy for an ecosystem comes from