Understanding Variation under Domestication

Variation under Nature

Struggle for Existence

Natural Selection or the Survival of the Fittest

Laws of Variation

Difficulties on the Theory

Instinct & Hybridism

Geographical Distribution

Geological Succession of Organic Beings

Recapitulation and Conclusions

Charles Darwin's The Origin of Species is a groundbreaking scientific work that introduced the theory of natural selection. It discusses the concept of evolution and how it shapes different species over generations.