Bio 191 - Exam 1 – DePaul Questions & Answers 100% Verified!
homology - ANSWERsimilarity due to common ancestry - phenotype properties homoplasy (convergence) - ANSWERsimilarity due to independent evolution. Adaptations due to an environment. The mammal Humpback Whale and the fish Whale Shark both have dorsal fins - not because of any common ancestry. phylogeny - ANSWERfamily tree among species - hypothesis of evolutionary relationships. evolution - ANSWERchange in the heritable properties of a population over generations. Individuals DO NOT evolve. Evolution is a property of POPULATION over generations. Aristotle - ANSWER-species can be arranged on a ladder or scale - scala naturae -each species is perfect & permanent and has it's rung on the ladder. Carolus Linnaeus - ANSWER-developed the modern classification system - binomial classification system - pre-darwinion classification George Cuvier - ANSWER-paleontology provided evidence that life changed -fossils resemble but are not exactly the same as modern species -past species were extinct James Hutton - ANSWER-observable processes produce small changes that accumulate over time -landscape molded by these processes -geologists recognized these processes over time -earth must be old Charles Lyell - ANSWER-wrote 'The Principles of Geology' -uniformitarianism
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