Modern Biology
Terms
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- Scientific method
- organized approach to learn how the natural world works
- Methods of science have 2 principals
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1 Events in the natural world have natural causes
2 Uniformity - Uniformity
- idea that the fundamental laws of nature operate the same way at all places and at all times
- Steps to the scientific method
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observation
form a hypothesis
prediction
experiment
peer sharing - Observing
- the act of perceiving a natural occurrence that causes someone to pose a question
- Hypothesis
- proposed explanation for the way a particular aspect of the natural world functions
- prediction
- statement that forecasts what would happen in a test situation if the hypothesis is true
- experiment
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test a hypothesis
set up an experiment - perform an experiment
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control group
experimental group
indep and dep variable - controlled experiment
- compares an experimental group and a control group and has one variable
- control group
- normal standard which you can compare against
- experimental group
- same as the control group except the independent variable is different
- independent variable
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variable that is manipulated
manipulated variable - dependent variable
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variable that is affected by the indep variable
responding variable - blind control group
- bilogist is unaware of the experimental and control group
- quantitative data
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data measured in numbers
the dependent variable is usually measured in data - drawing conclusions
- one can disprove not prove a hypothesis
- inference
- conclusion made on the basis of facts andpervious knowledge rather than on direct observation
- theory
- when a set of related hypothesis are true many times
- Research papers
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introduction
methods and materials
results
discussion
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