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Introduction. I. History. A. Background Thoughts. Major Contributors. Contributions & Controversies. 1. Aristotle , 300BC. Scalae Naturae = fixed state. 2. Theology. Creationism. 3. Linnaeus , 1700’s. Taxonomy. 4. Buffon , 1700’s. Multiple creation sites & times.
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Introduction I. History A. Background Thoughts
Major Contributors Contributions & Controversies 1. Aristotle, 300BC Scalae Naturae = fixed state 2.Theology Creationism 3. Linnaeus, 1700’s Taxonomy 4. Buffon, 1700’s Multiple creation sites & times
Major Contributors Contributions & Controversies 5. Hutton, 1700’s Earth older than 6,000yrs 6. Malthus, 1700’s Resources limits populations 7. Cuvier, 1800’s Catastrophism 8. Lyell, 1800’s Uniformitarianism
Contribution Contributor 1. Anaxamander, 300BC Striving for Complexity 2. Lamarck, 1800’s Inheritance of Acquired Characteristics 3. Mendel, 1860’s Genetics and Inheritance Natural Selection and Descent with Modification 4. Darwin, 1860’s
II. What is Life? A. Living from Non-living
1. Characteristics of Life a. Highly Organized Figure 1.4
b. Transform Energy Figure 1.5
1.Scientific Method a. Reasoning b. Process
Experimental variables: i. Independent = tested for or manipulated ii. Dependent = changes due toIndependent held constant iii. Control =
C. Classifying Life 1. Categories D, K, P, C, O, F, G,& S
Kingdom Protista Kingdom Monera Figure 1.15 Kingdom Fungi Kingdom Plantae
Kingdom Animalia Figure 1.15
III. Characteristics of Animals A. Shared Characteristics
multi-cellular heterotrophs, contractile proteins, special tissues, stages of development, motile, and fixed adult size
IV. Evidence of Selection A. Fossil Record
The fossil record is based on what three key points of data to age identify them? Strata Positioning Magnetic Reversal Half-Life Dating & Racemization
Outward similar inward different or same function different structure Analogous structures = Figure 1.21
Outward different inward similar or same structure different function Homologous Structures = Figure 22.15 Vestigial Structures = Outwardly useless remnants??
Similarities in developmental patterns in animals Figure 32.8 Figure 32.9
Homologies between species (yeast, wheat, & primate) in the sequential amino acid make-up of cytochrome C3.
E. Current Evidence 1. Artificial Selection