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jax12
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biology
-the science of life
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observation
- - a statement from which evolves an inquiry
- ex: flies are attracted to spoiled meat
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hypothesis
- -a proposed explanation for an observation or inquiry
- ex: the flies produce the maggots
- an informed explanation of what might be true
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experiment
- produce results that either support or refute the hypothesis
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conclusions
- - drawn from experimental results
- - say whether the hypothesis was true or not
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Fransesco Redi's experiements
- - 17th century
- - flies and rotting meat
- - found out flies produce the maggots in spoiled meat
- -carefully recorded experimental procedure and results
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evidence
- observations that provide proof for an assumption or hypothesis
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fact
- a hypothesis so supported by evidence we assume its true and act as if its true
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theory
- - a mature body of statements that are known to be general laws, principles or causes of some natural phenomenon
- - logical, tested, well supported explanations for a variety of facts
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scientific method
- observation, question, hypothesis, experiment, results, conclusion, theory
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pandemic
- an epidemic that's worldwide
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HIV
- - kills killer cells that normally take out viruses and bacteria
- - once no immune cells are left a random virus can kill the person
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HIV came from
- - chimps
- - fastest evolving thing on the planet
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Alexander Flemming
- - accidental discovery of penicillin
- - Scotish bacteriologist
- - 1920's
- - batch of mold called Penicillium
- - first antibiotic
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serendipity
- making useful discoveries by accident
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ring of inhibition
- diameter around the drug shows how effective it is in a culture
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cell
- smallest unit of life
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tissues
- made of up cells of similar types
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organs
- made of combined tissues
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organisms
- formed by collection of organs
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population
- group of organisms
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communities
- groups of populations
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ecosystems
- organisms and non-living environment of an area
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biosphere
- part of the earth inhabited by living organisms
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