Charles Darwin Origin of Species 1. Explain why we see more variation under domestication than in nature. 2. Explain what role reproduction plays in the variation of individuals of a species. Solution 1. WHEN we contrast the individuals of the identical variety or sub-diversity of our older cultured animals and plants, one of the first tip which bang us is, that they normally vary more from each other than do the human being of any 1 variety or species in a state of nature. 2. The Nature that creature live have individual features and standard that appearance the evolution of the phenotypic and genetic attribute of resident organisms to authorize them to become ensemble for life in those regions better..