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Chapter 4

SCIE 1P50 Chapter Notes - Chapter 4: Organism, Potential Energy, Ecolo


Department
Science
Course Code
SCIE 1P50
Professor
Caroline Starrs
Chapter
4

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Class #10! ! Science & Society! October. 5, 2011
What is Ecology?
- Literally study of one’s “house”
- Interactions
- Two Components
- Biotic
- Abiotic
- Broadest biological field of study
Ecological Organization
- Organism
- Population
- Community
- Ecosystem
- Landscape
- Biosphere
Ecology
- Organism
- A scientist will most likely choose their favorite organism and study on it
- Populations
- A group of individuals in close proximity in order to interbreed
- Community - an assemblage of species living in the same place at the same time
- Members interact with each other
- Interactions determine the structure, function, and species composition of the
community
Matter
- Law of Conservation of Matter
- Cannot create or destroy matter
- Only change form of matter
Energy
- Capacity or ability to do work
- Flows through ecosystems
- Why do organisms need energy?
- Different Kinds
- Potential energy
- Kinetic Energy - energy due to motion
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