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Who is Theodosius dobzansky
proposed that nothing made sense in biology
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What is Evolution?
Change in properties of groups of organisms over the course of generations. Individuals dont evolve put populations do
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Population
group of interbreeding organisms of the same species
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What happens with the use of antibiotics?
Bacteria evolve and become resistant to them
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Who is Darwin?
A naturalist, not the first scientist to challenge religious or mythical explanations
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Who is anazimander?
Interested in cosmologist and geologists, first one to explain the world, using non religion explanations. Pre socratic
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Who is aristotle?
post socratic, used natural science
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Who is copernicus?
15th century astronomer and mathmatician, explained physical world in a public way
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what did issac newton do?
physician, math. astron, proved the heliocentric model
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Who is Gailelo ?
16th century italian astronomer, challenged biblical order of the universe.
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What is geocentric?
earth is at the center of the universe, sun revolves around the earth and so do the planets
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What is helocentric
The sun is at the center and everything rotates around it
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What did lamark do?
proposed theory of inheritance of aquired characters, using non divine mechanisms. evolution by natural causes
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What is inheritance of aquired characteristics?
- where individuals of a species change during there lifetime and passed on their transformed properties to their offspring
- ex giraffe born with short neck and over time stretched there neck and therefore now have long necks
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how is a species affected by different rates of change?
As a species evolves earlier they tend to be more complex than a lineage that takes longer to evolve
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Who is Lyell?
Attempted to explain uniformitarianism? to explain how marine mammals would be found high up on mountains
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What is uniformitarianism?
when slow natural processes have shaped and is still shaping the earth. explains why marine fauna are found high up on mountains. Slow action of observable phenomenom.
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Who is wallace?
Proposed theory of natural selection. before darwin. noticed that animals in australia and papa new guinea looked similar.
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What is wallaces line?
Show where animals change due to religion.
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Who is darwin?
Made voyage on beagle in 1830. used Lyells idea of slow processes can change surface over time. Found marine fossils in the andes mountains
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What is descent with modification ?
Shows common ancestors from lineages of creatures that have evolved over time
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Who is Malthus?
In principles of population that sooner or later the human population growth would be limited resources thus increased mortality
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Adaptation
- how well an organisms is in a particular environment
- Blue footed booby
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Fitness
dependence on how they do in their environment, would be increased fitness
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Natural selection
- in nature there are too many offspring that all cannot survive.
- frog produces millions of eggs and only certain ones live
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genetic variation
Coat color of mice
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