Term
| The Hypothetico-Deductive Method |
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Definition
- More Physiological Knowledge gained by this method
- Investigator asks a question
- Formulates a hypothesis - an educated speculation or possible answer to the question
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Term
Characteristics of a good hypothesis
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Definition
- Consistent with what is already known
- Testable and possibly falsifiable with evidence
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Definition
| If we claim something is scientifically true, we must be able to specify what evidence it would take to prove it wrong |
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Definition
| To suggest a method for answering questions: written as "if-then" statements |
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Definition
| Number of subjects used in a study. Controls for chance events (happens when sample size is too small) and individual variation |
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Definition
| Control group and treatment group. Comparison of treated and untreated individuals |
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Definition
| Effects of the subject's state of mind on his or her physiology. Use of placeebo in control group. |
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Definition
| Information that can be independently verified by a trained person |
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| Generalization about the predictable way matter and energy behave. Results from inductive reasoning and repeated observations. Written as verbal statements or mathematical formulae |
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Definition
The best explanation for all of the data that we have today. It is an explanatory statement or set of statements derived from facts, laws, and confirmed hypotheses
Summarizes what we know
Suggests direction for further study |
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Term
| Theory of natural selection |
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Definition
| How species originate and change though time. Changed prevailing view of our origin, nature and our place in the univers. Increases understanding of human form and function. |
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Definition
| Change in genetic composition of population of organisms. Development of bacterial resistance to antibiotics. Appearance of new strains of AIDS virus |
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Definition
| Some individuals within a species have hereditary advantage over their competitors (better camouflage, Disease resistance, ability to attract mates) |
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| Natural forces that promote the reproductive success of some individuals more than others |
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Definition
| Features of an organism's anatomy, physiology, or behavior that have evolved in response to these selection pressures and enable the organism to cope with the challenges of its environment. |
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| Animal species selected for research on a particular problem. |
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| Study of evolutionary Relationships |
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Definition
| Help us choose animalse for biomedical research (the animal model). Rats and mice used extensively due to issues involved with using chimpanzees. |
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Definition
| Remnants of organs that apparently were better developed and more functional in the ancestors of a species, and now serve little or no purpose (Piloerector muscle, Auricularis muscles) |
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