1. Levels of Organization

2. Ecologists study nature on different levels, from a local to a global scale.
Organism
Population
Community
Ecosystem
Biome
Biosphere

3. Make sure your definitions on page 17 include the key words in purple:
Organism – an individual thing
Population – group of the same species that lives in one area
Community – group of different species that lives in one area
Ecosystem – community + nonliving things such as air, water, soil, rocks, climate, etc.
Biome – global community of organisms characterized by climate and plant life

4. Mnemonic What is a mnemonic? O - Old P - People C – Can’t E - Even
B - Booty
B - Bump

5. Biotic versus Abiotic
The only difference between a community and an ecosystem is an ecosystem includes nonliving things!
Page 20 of your Biology Notebooks – see example
Biotic – living or once living
“bio” = life
Abiotic – nonliving
“a” = not “bio” = life

6. Sort These!!