1. Unit 2 – Lecture 1

2. Ecology the study of the relationships between living things and their environments “eco” – environment or ecology [greek: oikos = house / home – ie, Earth]

3. Review What does the prefix “bio” mean?

4. Ecology – cont’d Includes relationships with biotic and abiotic factors: biotic – living

5. Answer the Following: Other than animals, name 3 examples of biotic factors in an environment.

6. Ecology – cont’d Includes relationships with biotic and abiotic factors: abiotic – non-living prefix “a-” means non, or not

7. Answer the Following: Name 3-4 examples of abiotic factors in an environment. SoilWaterRock Climate: temperature, pressure, waterfall, wind, etc.

8. Ecological Organization Organism anything which contains ALL of the characteristics of life Species: a group of related organisms that can interbreed [and produce offspring that are fertile]

9. Ecological Organization – cont’d Population: a single species in a single location at the same time

10. Ecological Organization – cont’d Community: a group of ALL of the populations in a single location at the same time

11. Ecological Organization – cont’d Ecosystem : includes the community [all biotic factors] PLUS all abiotic factors in an environment

12. Ecological Organization – cont’d Biome: geographic area which has similar conditions climate, flora, fauna flora – plant-life fauna – animal-life

13. Answer the Following: Write down the names of as many biomes as you can remember [at least 4], and jot down a description of each [rainfall, temperature, flora, fauna]. no specific number of biomes exist

14. Ecological Organization – cont’d Biosphere: everywhere on earth where life can exist

15. Homework Complete the North American Biomes w/s found on pages 2-3 of your packet.