Review for Exam #2 - Exam Review(Midterm II Night Review =...

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Exam Review (Midterm II Night Review = 1279 Anthony Hall (7:30-9:30) ON EXAM Out of the book questions (10-15 percent) Miller Chapter 4 Lecture #8 - The macroevolution paradigm is a religion. Not proven-it’s a theory. - Microevolution - Species : Populations of interbreeding individuals Kuhn’s Scientific Revolution (Theory) Pre-science Revolution Normal Science Crisis The Power of Evolution Widely used to interpret the past and present, and even to predict the future Reveal connections between the geological record, fossil record, and organismal diversity Darwin was not the creator of evolution. Greeks were. Evolutionary Thought Comes From Our Ability To Recognize Variation And Change In The World Around Us Comparative Morphology Study of similarities and differences in body plans of major groups Comparative Anatomy Looks and compares structure of animal’s anatomy and make connections Uniformitarianism = in the philosophy of science, is the assumption that the natural processes operating in the past are the same as those that can be observed operating in the present. Its methodological significance is frequently summarized in the statement: "The present is the key to the past." Geological Discoveries Similar rock layers throughout world, some layers contain fossils Deeper layers contain simpler fossils than shallow layers Many fossils are related to modern species The area of evolution is always shifting. Phylo-Genetic Tree = Record or historical document of the animals pedigree The earth is 4.5 billion years old. Lyell’s Principles of Geology – “subtle repetitive changes” Subtle, repetitive processes of change, had shaped Earth Challenged the view that Earth was only 6,000 years old
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Thomas Malthus : “ Struggle to Survive” Argued that as population size increases, resources dwindle, the struggle to live intensifies and conflict increases Idea that things conflict and struggle Darwin’s Voyage and Observations Galapagos Finches - Microevolutionary cycles. Water controls whether the beaks are long or short. ESSAY - Basics of Natural Selection All populations have the capacity to increase in numbers No population can increase indefinitely Eventually, the individuals of a population will end up competing for resources The alleles that produce the most successful phenotypes will increase in the population Less successful alleles will become less common Change leads to increased fitness Increased adaptation to a specific environment Individuals of all populations have the capacity to produce more offspring than the environment is able to support, so individuals must compete for resources. Individuals of a population vary in size, form, and other traits. The variant forms of a trait may be more or
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Review for Exam #2 - Exam Review(Midterm II Night Review =...

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