1. Organization of Life

2. eco - household
ology – study of
Ecology – study of the interactions between organisms and the living (biotic) and nonliving (abiotic) components of their environment

3. Biotic Factors
Living components of the environment
All things living

4. Abiotic Factors Physical and chemical aspects of the environment
climate, temperature, precipitation, humidity, wind, nutrient availability, soil type, sunlight

5. Organism
Population
Community
Ecosystem
Biosphere

6. Biosphere
Ecosystem
Community
Population
Organism
Organ System
Organ
Tissue
Cell

7. Levels of Organization in Ecology
1. Biosphere
refers to the thin volume of Earth and its atmosphere that supports life and abiotic factors

8. 2. Ecosystem
all the living and nonliving things in a particular place
Ex. pond, lake, forest

9. 3. Community
all the interacting organisms living in an area
Ex. all the plants, fish, bacteria, algae living in a pond

10. 4. Population
all the members of a species in one place at one time
Ex. All of the deer that live in the Chickamauga Battlefield in 2010

11. 5. Organism
simplest level of organization
refers to individuals of a particular species

12. 6. Organ System
Two or more organs that work together to carry out related tasks

13. 7. Organ
A group of tissues that work together to carry out a similar task

14. 8. Tissue
A group of cells that work together to carry out a similar task

15. 9. Cell
Basic unit of life