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STUDY GUIDE – Unit 9 Evidence of Evolution & Natural Selection Common Assessment EVIDENCE OF EVOLUTION What are the 4 pieces of evidence for evolution? 1. 2. 3. 4. Most fossils are formed in ______________________________rock. What is a fossil and what are the two main types? How do most fossils form? A dead organism becomes buried in ___________________. What are some examples of trace fossils? The forelimbs of a bird and a mammal are examples of ____________ structures. Which term refers to similar structures that related species have inherited from a common ancestor? If two organisms look very similar during their early stages of development, this is evidence that the organisms evolved from a _____________ ____________________. Scientists think related species have similar body structures and development patterns because they inherited ___________________ (many or all) of the same _____________________ from a _______________ ___________________. In embryology, if organisms look very similar in their early stages, they are likely to have a ___________________ ______________________. The more _________________________ (similar or different) the DNA sequences of two species are, the more closely related they are to each other. TAXONOMY & BRANCHING TREE DIAGRAMS What is taxonomy? Why do scientists organize living things into groups? An organism’s scientific name consists of its __________ name and its ________ name The more classification levels that two organisms share, the more ________________ they have in common. What is the scientific name for humans? Review the levels of classification in your comp book/ISN A branching tree is a _____________________ showing how scientists think different organisms are _______________________ Review the branching tree diagram worksheets in your comp book/ISN UNIT 8 REFRESHER What is evolution? What are the steps to natural selection? Who is the “father of evolution?”