1. Ecology
Study of the relationship between organisms & their environment
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2. Ecosystem Organization

3. Community
All the populations of different species that live in a particular place

4. Populations
Group of individuals of the same species that live in the same place at the same time

5. Biosphere
Four Major Components
Air
Water
Life
Earth

6. Ecosystem
A particular location on Earth distinguished by its particular mix of interacting biotic & abiotic components

8. Climate
Long term average precipitation & temperature of a particular area

9. Greenhouse Effect
The rise in temperature the Earth experiences because certain gases in the atmosphere trap heat from the Sun’s rays

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11. Importance of the Greenhouse Effect
Without it, the Earth would not be warm enough to support life

12. Greenhouse Gases Gases with the ability to trap heat Water vapor
Carbon Dioxide
Nitrous Oxide
Methane

13. Range of tolerance
Physical & chemical tolerance a population has in a given environment

14. Ecosystem Boundaries
Subjective
Yellowstone
Defined
Caves
Lakes

15. Three Factors to Sustain Life
1. Energy Flow
one way flow
Cycling of matter/nutrients
can take centuries
Gravity
allows the planet to hold on to its atmosphere