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Welcome! The Topic For Today Is Evolution! Theory of Evolution Evidence for Evolution DNA and Mutation Speciation Potpourri 200 200 200 200 200 400 400 400 400 400 600 600 600 600 600 800 800 800 800 800 1000 1000 1000 1000 1000 Bonus Question: 5000 pts Question: The process whereby modern organisms have descended from ancient common ancestors Answer What is the Theory of Evolution? Question: He proposed that giraffes stretched their necks in order to reach higher foliage and so their children had longer necks too Answer Who is Lemark Question: Process by which individuals better suited to their environment can survive and reproduce most successfully. Answer What is Natural Selection or Survival of the Fittest Question: A process in which humans choose the most desirable traits of a population for breeding purposes Answer What is Artificial Selection Question: Individual differences within a population Answer What is Variation? Question: This was when Dino’s went extinct Answer 65 million years Question: Structures that have similar embryological origin and structure but are adapted for different purposes (ex: human arm and batwing) Answer: Homologous structures Question: Body parts that have become very reduced over time Answer: What are Vestigial structures Question: The early stages of development in organisms in which there are many similarities among different species. Answer What is Embryology? Question: These are four pieces of evidence for evolution Answer What are fossil record, embryology, homologies, biochemistry Question: This is what DNA stands for Answer What is deoxyribonucleic acid Question: DNA is made of these 3 components Answer What are deoxyribose/pentose sugar, phosphate group, nitrogen-containing base Question: These two nucleotides prefer each other’s company over any other Answer What are A=T /A=U or C=G Question: Mutations in DNA can be one of 3 things: Answer What are Neutral, Positive, Negative Addition, Deletion, Inversion, Translocation, etc. Missense, Nonsense, Neutral Question: Small populations with small gene pools are likely to experience this leading to fixation of alleles Answer What is Genetic Drift Question: A group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding Answer What is a species Question: The “profession” and habitat of an organism Answer What is a Niche? Question: The process whereby new species emerged from a primary species Answer What is speciation? Question: Mountain ranges or streams may lead to this type of speciation Answer What is allopatric or speciation by geographical isolation Question: This occurs as new species evolve to fill novel ecological niches in new habitat Answer What is adaptive radiation? Question: A phenomenon in which species suddenly vanish. Answer What is a Mass Extinction? Question: This model of evolution suggests that there were rapid changes in organisms followed by periods of stasis Answer What is punctuated equilibrium Question: RNA contains this nucleotide instead of Thymine Answer What is Uracil Question: This was the ship Darwin sailed on Answer What is the HMS Beagle Question: Courtship dances and extravagant feathers may seem like poor adaptations but my be due to this Answer What is sexual selection? Question: This contemporary of Darwin had a similar idea to the Theory of Evolution and his impending publication spurred Darwin to publish “On The Origin of Species” Answer Who is Alfred Russel Wallace Daily Double The Winner Of The Last Round Write Down How Much Money You Are Willing To Risk If You get the Question write you win that money If you get it wrong you Loss the money! Daily Double The Winner Of The Last Round Write Down How Much Money You Are Willing To Risk If You get the Question write you win that money If you get it wrong you Loss the money!