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Fossils Comparitive anatomy Embryology Artificial selection Biochemical evidence Experimental evidence |
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A religious scholar Wrote the essay "on the principle of population" Suggested that much of humanity's suffering is inevitable because of overpopulation Humans reproduce more quickly than their resources |
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4 Tenants of Natural Selection |
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1. OVERPRODUCTION: organisms are capable of producing large numbers if i offspring far more than the environment can support 2. HERITABLE VARIATION: offspring vary in appearance and at least some of that variation is heritable 3. COMPETITION for RESOURCES: environmental resources are limited therefore organisms must compete for goods 4. DIFFERENTIAL REPRODUCTION: survival and reproduction is not random. Aimals with better adaptations to get resources/ needs have a better survival rate therefore produce more offspring |
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Most influential evolutionary philosopher Said certain characteristics of animals showed they had be designed for purpose. Rejected Empedocles ideals. Wrote the scala Natalia which classified animals due to their complexities |
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An innate life force drives species to become more complex over time. Inheritance of acquired characteristics (geraffe neck) Life spontaneously arose Species adapted to environment and they are inherited through offspring |
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Mendilian inheritance + Darwin natural selection |
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