Evolutionary Biology Charles Darwin III: Descent with modification by Alfred L. Rosenberger, Ph.D. Reading Quiz Teach with this 1. A phylogenetic tree is an illustration of an evolutionary pathway, especially the pedigree or genealogy of an individual species. true false 2. Darwin's concept of phylogeny eventually replaced the Creationist's notion of Recapitulation. Scale of Nature. Survival of the Fittest. Descent with Modification. 3. The tree model as an illustration of evolution is more accurate than the ladder model because it assumes a straight-line direction of change. reveals that extinction is not possible. shows a hierarchy of animals, from lowest to highest. shows how biodiversity can be generated. 4. Before Darwin, one idea that was missing from people’s thoughts on evolution was that adaptation only occurred in the Galapagos. the term could describe different processes. all species are linked through their ancestries. evolution no longer occurs naturally. 5. The key to understanding why some species form clusters of similar organisms is that they tend to be adapted to similar ecological conditions. they are made up of closely related individuals. they are phylogenetic groupings. they all eat similar foods. 6. Darwin chose to use the term “descent with modification” instead of evolution because evolution had two meanings at the time, one connected to growth and one connected to change over time. as a term did not exist in Darwin's time; it was invented in 1932. was a French word, unfamiliar to Darwin's English audience. was used by Creationists to explain biodiversity. 7. Which concept gave an explanation for biodiversity and the “natural order” of living things? descent with modification natural selection transmutation scale of nature Score Quiz
