Biology: The Study of Life
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Created by:
Charellpoole on March 15, 2012
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27 terms
Terms | Definitions |
|---|---|
 Signs Of Life | Organization, Growth and Development, Reproduction, Response to Stimulus, Metabolism, and an Information System |
| Organization | The first sign of life biologist look for |
| Growth | An increase in living tissue and the formation of new structures |
| Reproduction | Living things must come from other living things |
| Response to Stimulus | Being able to adjust to changes in the environment and new conditions |
| Homeostasis | The ability to maintain constant internal conditions |
| Metabolism | The vital chemical reactions that occur inside of an organism; allows all other signs of life to occur; many biologist consider to be the single most important sign of life. |
| Information System | DNA; Required in living organisms to produce and maintain life |
| Themes In Biology | Energy, Systems and Interactions, Stability, Evolution, and Unity within Diversity |
| Energy | Allows you to run, jump, and think. None of the signs of life would be possible without this provided by metobolism |
| Systems and interactions | The way plants and animals cannot live without one another is an example of this. Plants get their energy form the sun and rely on animals to pollinate them; animals need the oxygen plants produce and eat plats to survive |
| Stability | The balance between all of the organisms making up an ecosystem. Example: Circle of Life (Lion King) animals eat grass, lions eat animals, lions die and become the grass |
| Evolution | A change in genetic makeup of a population over time; the major unifying theme |
| Unity within Diversity | The similarities between organisms |
| Reasoning | Inductive and Deductive |
| Inductive Reasoning | Begin with a known set of observations and turn them into a general rule. |
| Deductive Reasoning | A specific event may occur based on a known general rule |
| Deductive Reasoning | Everyday, your mother gets home close to 5:30. It's 5:45 and you hear a car pull into the driveway, but you can't see outside. You say to yourself, "Ah, that must be mom". |
| Inductive Reasoning | It's the beginning of the school year, and every Friday your new biology teacher gives you a pop quiz. After a month, you say to yourself, "Ah, I bet she is going to give us a quiz every Friday this semester." |
| Inductive Reasoning | Yesterday, a doctor examined three patients who felt ill. They complained of fever, body aches, and being very tired. The doctor diagnosed them as having the flu. This morning, four more patients have the same symptoms and diagnosed with the flu. The doctor says to himself, "Ah, there must be a flu epidemic." |
| Deductive Reasoning | You are in Los Angeles and decide to go see the Dodgers play. You know that every time a member of the Dodgers hits a home run, fireworks go off. While at the snack bar getting a Doder-dog, you hear fireworks. You say to yourself, "Ah, that one's outta here." |
| Scientific Methodology | A very precise means of approaching a problem. |
| Scientific Methodology | 1. Define the problem 2. Make an hypothesis 3.Test your hypothesis 4.Analyzes the Results 5. Accept or Reject hypothesis 6.Publish Results |
| Hypothesis | A scientific guess or prediction based on reasoning |
| Independent Variable | The one condition in an experiment that is changed |
| Dependent Variable | The condition in an experiment that is being observed or tested for |
| Theory | A general condition that is accepted as being accurate only after an extensive amount of confirmation |
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