With the Provider from Varieties (opens in new tab) “ published in 1859. In his book, Darwin describes how organisms evolve over generations through the inheritance of physical or behavioral traits, as National Geographical https://gorgeousbrides.net/fi/japanilaiset-morsiamet/ (opens in new tab) explains. The theory starts with the premise that within a population, there is variation in traits, such as beak shape in one of the Galapagos finches Darwin studied.

According to the theory, individuals with traits that enable them to adapt to their environments will help them survive and have more offspring, which will inherit those traits.Continue reading→