Evolution Review

Master evolution concepts with our review worksheet on Darwin, natural selection, and speciation!

Fill in the blank. Darwin recognized variation, the differences between individual members of a species. He suggested that through the process of natural selection, individuals tend to pass on adaptations to future generations. Essentially, Darwin's theory of "survival of the fittest" means that individuals that survive to reproduce will pass on their genetic variations to their offspring and this is the process that drives evolution. Match the word to the definition Charles Darwin Naturalist, geologist, and biologist known for his contributions to the science of evolution. Common ancestor one organism that lived in the past to whom present organisms are related Evolution change in a species over time. aka descent with modification Speciation formation of a new species Charles Darwin concluded that the 13 species of finches on the Galápagos Islands: were identical to 13 finch species in northwestern South America 600 miles to the east probably evolved from one ancestral South American species had all adapted to the same food sources both b and c