1. Environmental Science
Chapter 1 section 1

2. Ecology Study of interactions between organisms and their environment
2 parts to the environment
Biotic-all of the organisms that live together
Abiotic- all physical factors that are non-living ex. Water, air, soil, temperature etc.

3. Biotic or Abiotic?
Biotic

7. Recap
Write the definition of ecology, biotic, and abiotic in your own words with a red pen

8. Organization in the Environment
Can be divided into different levels
1st level - organism –single living thing
2nd level – population – group of organisms of the same species living together in the same place and time
3rd level – community – all of the populations of different species that live and interact in an area
4th level - ecosystem – made up of a community of organisms and the abiotic environment
5th level – biosphere – part of the earth where life exists. Includes all ecosystems

9. Recap
In red pen, summarize the levels of organization in a graphic organizer and illustrate it.

10. An Example...
Organism
Population
Community
Ecosystem
Biosphere

11. Try This... (pg 5 in your text)