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What is Biology?. Levels of organization Disciplines.

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Presentation on theme: "What is Biology?. Levels of organization Disciplines."— Presentation transcript:

1 What is Biology?

2 Levels of organization

3 Disciplines

4 How do we know things?

5 Perception Our perception can be very different from reality - think of magicians The spell of the sensuous by David Abrams

6 Me’en Tribe of Ethiopia Picture recognition

7

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9 Oral Culture Written culture

10 10 Hieroglyphics

11 Cuniform writing - simplified about 1000 pictographs to 400 synpols

12 Alphabet: ABCDEFGHIJKLMNOPQRSTUVWXYZ

13 World View Frame of reference Explains how and why Usually unquestioned

14 Plato 427 – 347 BC Aristotle 384 – 322 BC The real world was ideal and perfect The perceived world, observed through our senses, was imperfect Organisms perfectly adapted (no evolution) Scala naturae – ladder of increasing complexity Major influence on Europe – lasted for 2000 years

15 Separation of mind from body this led to a symbolic and abstract language I control my body I grow vegetables I can manage nature I has become a bodiless psyche

16 J-C worldview Answers to questions sought from people or texts of authority (sound familiar?) By 1300’s Greek philosophy slowly filtered to the ‘west’ translated from Greek to Arabic to Latin Gutenberg 1397-1468 Black Death Universities and Museums

17 Rise of the Mechanical World View

18 Turning point came in 1543 Publication of Archimedes Publication of De Revolutionibus Orbium Coelestrium by Copernicus Publication of De Humani Corporis Fabrica by Vasalius 18

19 Mechanical World View - Francis Bacon – Novum Organum 1620 humans could and should liberate themselves from the natural world objective knowledge concentrate on the HOW not the WHY

20 Sir Francis Bacon 1561-1626 Western science Philosophical system for investigating nature Did not like deductive reasoning - accept something as true and then deduce a consequence We see what we believe rather than believe what we see. Stressed induction – observation (data) and experimentation

21 René Descartes (1596-1650) math was the language for understanding the natural world Isaac Newton (1642-1727) mechanical motion, gravity John Locke (1632-1704) social role of the state was to promote the subjugation of nature, trickle down theory Adam Smith (1723-1790) economist “Wealth of Nations”, the Invisible Hand

22 Science became the means for understanding the natural world. Technology became the means for ‘controlling’ the natural world.

23 Mechanical world view Machine Analogy. Parts make up wholes; understand the parts and we can understand the whole. Separation of humans from the rest of nature. We can manage the machine.


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