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BY123 Lecture 4
Evolution Theories
6
Biology
Undergraduate 1
12/07/2011

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Term
Linnaeus
Definition
binomial naming system
believed species are fixed
Term
Lamark
Definition
organisms were guided through life by innate and mysterious forces that were passed down
organs arise in response to their environment

(Giraffes have long necks because they reach up high to eat leaves off trees)
Term
Hutton
Definition
gradualism
changes in fossils due to gradual change
Term
Cuvier
Definition
catrasphoism
catastrophes killed the animals in lower fossil strata
new animals moved in from other places
Term
Lyell
Definition
uniforitarianism
gradually changing in a uniform way
Term
Malthus
Definition
population limits increase geometrically
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