Developing the Theory of Evolution Quiz 6
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9 Terms
Evolution
Heritable characteristics of populations change from gereration to generation
Can eventually reslut in the formation of new species
Predominant European Beleifs
Earth is 6000 years old
Enviornment is relatively unchanging
Species don't change
Current species are 6000 years old
Jean Baptiste Lamarck
Proposed a theory based on the principle of use and disuse
Traits used frequently by an organism become more developed, unused traits disappear
Changes passed down generation to generation
Natural Selection
By Charles Darwin
individuals with the highest fitness will survive/reproduce more often
Fitness
The ability to survive and reproduce
Adaptation
A trait that incresases fitness
4 principles
1. Variation
2. Heritability
3. Overproduction (not everyone gets to live)
4. Reproductive Advantage
Microevolution
Changes that occur withen a species
Macroevolution
Major evolutionary changes over a long period of time
Note 
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