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10.1-Early Ideas About Evolution Erasmus Darwin- theorized evolution going through competition []

10.2-Darwin's Observations Darwin observed the different species of birds in the different environments. []

10.3- Theory of Natural Selection this natural selection can be described in different principles: Production, Variation, Adaptation, and Descent with Modification []

10.4-Evidence of Evolution Fossils from this species of fish can be ancestors of the now evolved fish of today. [] Each strucutures of arms give the same bone segment. Making these species "Analogous Structures" []
 * Analogous Structures

10.5- Evolutionary Biology Today

10.6-