• Darwin begins his studies on the H.M.S. Beagle.
• Darwin discusses the scientific method and its importance in his work.
• There are two keys to research, experimentation, and observation.
• Darwin discusses some flaws in scientific research.
Chapter 1: Variation Under Domestication
• Darwin suggests that the key to variation of a species is heredity.
• Darwin notes previous theories and researchers who addressed this issue.
• Since selection deals will varying traits for the better, some variations will be more useful than others.
Chapter 2: Variation Under Nature
• There is a difference between variations and species.
• Darwin notes that natural selection and heredity were key components to the development of a species.
• A number of concepts are brought up here, including heredity variations, geographical isolation, and struggle for existence.
Chapter 3: Struggle For Existence
• Darwin continues discussing his theory of evolution.
• All species struggle for existence.
• There are many limitations that hinder...
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