Grade 10 Evolution
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This document discusses key concepts of evolution including the history of evolutionary theories from creationism to modern ideas like punctuated equilibrium. It covers Darwin and Wallace's model of natural selection and how environmental pressures can lead to speciation. The fundamentals of evolution are explained including variation, inheritance, selection over time. The role of tectonic plate movement in genetic isolation and speciation is described. Various forms of evidence for evolution are listed such as the fossil record, present-day examples, and molecular clocks using mitochondrial DNA.
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Grade 10 Evolution
- 1. G10 EVOLUTION International School of Tanganyika Mr KremerG10 EVOLUTION International School of Tanganyika Mr Kremer
- 2. Evolution: Key concepts • History of evolutionary theories • Darwin-Wallace model of natural selection • Speciation, tectonics, + environmental pressure • Evidence of evolution
- 3. Evolution
- 4. Evolution QuickTime™ and a decompressor are needed to see this picture.
- 6. Evolutionary Thought Creationism Use and Disuse Natural Selection Gradualism Punctuated Equilibrium Image source: http://evolution.berkeley.edu/evosite/history/
- 7. History of Evolutionary Thought • Creationism • Catastrophism • Use and Disuse • Natural Selection • Gradualism • Punctuated Equilibrium Image source: http://new-indology.blogspot.com
- 8. History of Evolutionary Thought • Creationism • Catastrophism • Use and Disuse • Natural Selection • Gradualism • Punctuated Equilibrium Image source: http://www.nwcreation.net
- 9. History of Evolutionary Thought • Creationism • Catastrophism • Use and Disuse • Natural Selection • Gradualism • Punctuated Equilibrium Image source: http://www.zo.utexas.edu
- 10. History of Evolutionary Thought • Creationism • Catastrophism • Use and Disuse • Natural Selection • Gradualism • Punctuated Equilibrium Image source: http://evolution.berkeley.edu
- 11. History of Evolutionary Thought • Creationism • Catastrophism • Use and Disuse • Natural Selection • Gradualism • Punctuated Equilibrium Image source: http://casarcia.com
- 13. Natural Selection • Darwin and Wallace • Mutations neither inherently good nor bad • Environment determines success • Helps survival: passed on to offspring • Hurts survival: more likely to die
- 14. Natural Selection • Darwin and Wallace • Mutations neither inherently good nor bad • Environment determines success • Helps survival: passed on to offspring • Hurts survival: more likely to die Image source: http://www.goecuador.com Image source: http://www.ucl.ac.uk
- 15. Natural Selection • Darwin and Wallace • Mutations neither inherently good nor bad • Environment determines success • Helps survival: passed on to offspring • Hurts survival: more likely to die Image source: http://casarcia.com
- 16. Natural Selection • Darwin and Wallace • Mutations neither inherently good nor bad • Environment determines success • Helps survival: passed on to offspring • Hurts survival: more likely to die Image source: http://www.avibushistoriae.com
- 17. Natural Selection • Darwin and Wallace • Mutations neither inherently good nor bad • Environment determines success • Helps survival: passed on to offspring • Hurts survival: more likely to die Image source: http://www.avibushistoriae.com
- 18. Natural Selection • Darwin and Wallace • Mutations neither inherently good nor bad • Environment determines success • Helps survival: passed on to offspring • Hurts survival: more likely to die Image source: http://true-wildlife.blogspot.com
- 19. Natural Selection • Darwin and Wallace • Mutations neither inherently good nor bad • Environment determines success • Helps survival: passed on to offspring • Hurts survival: more likely to die Image source: http://pepsisummersdolls.blogspot.com
- 20. Natural Selection • Darwin and Wallace • Mutations neither inherently good nor bad • Environment determines success • Helps survival: passed on to offspring • Hurts survival: more likely to die Image source: http://users.rcn.com/jkimball
- 23. Fundamentals of Evolution • Variation • Inheritance • Selection • Time • Speciation http://www.eeob.iastate.edu
- 24. Fundamentals of Evolution • Variation • Inheritance • Selection • Time • Speciation Image source: http://wikids-life.wikispaces.com
- 25. Fundamentals of Evolution • Variation • Inheritance • Selection • Time • Speciation Image source: http://livinglifewithoutanet.wordpress.com
- 26. Fundamentals of Evolution • Variation • Inheritance • Selection • Time • Speciation Image source: http://evolution.berkeley.edu/evosite/evo101/VC1bAllopatric.shtml
- 27. Fundamentals of Evolution • Variation • Inheritance • Selection • Time • Speciation Image source: http://teachers.greenville.k12.sc.us
- 28. Fundamentals of Evolution • Variation • Inheritance • Selection • Time • Speciation Image source: http://images.sciencedaily.com
- 29. Fundamentals of Evolution • Variation • Inheritance • Selection • Time • Speciation Image source: http://www.nature.com
- 31. Evolution + Tectonics Tectonic theory Genetic isolation Speciation Examples
- 32. Tectonic Theory • Earth’s layered structure • Crust made of slow- moving plates • Land masses migrate over time • new climate patterns • isolate organisms
- 33. Tectonic Theory • Earth’s layered structure • Crust made of slow- moving plates • Land masses migrate over time • new climate patterns • isolate organisms
- 34. Tectonic Theory • Earth’s layered structure • Crust made of slow- moving plates • Land masses migrate over time • new climate patterns • isolate organisms
- 35. Tectonic Theory • Earth’s layered structure • Crust made of slow- moving plates • Land masses migrate over time • new climate patterns • isolate organisms
- 36. Tectonic Theory • Earth’s layered structure • Crust made of slow- moving plates • Land masses migrate over time • new climate patterns • isolate organisms
- 37. Speciation • Population isolated • Different conditions in each place = different selection • Different adaptations to different environments • Different enough = can’t interbreed = new species
- 38. Speciation • Population isolated • Different conditions in each place = different selection • Different adaptations to different environments • Different enough = can’t interbreed = new species
- 39. Speciation • Population isolated • Different conditions in each place = different selection • Different adaptations to different environments • Different enough = can’t interbreed = new species
- 41. Evidence of Evolution Biochemical processes mtDNA Phylogeny Fossil record Geographic distribution Present-day examples
- 42. Evidence of Evolution • Biochemical processes • mtDNA • phylogeny • fossil record • geographic distribution • present-day examples
- 43. Evidence of Evolution • Biochemical processes • mtDNA • phylogeny • fossil record • geographic distribution • present-day examples
Notas do Editor
- Images: oak leaves and acorns inheritance pattern of monohybrid cross of heterozygous individuals selection of darker individuals in subsequent generations spiraling time geologic time speciation in beetles speciation of lizards on Martinique Island (not yet actually different species, though!) reproductive isolation of equine species in Africa and Asia
- Images: oak leaves and acorns inheritance pattern of monohybrid cross of heterozygous individuals selection of darker individuals in subsequent generations spiraling time geologic time speciation in beetles speciation of lizards on Martinique Island (not yet actually different species, though!) reproductive isolation of equine species in Africa and Asia
- Images: oak leaves and acorns inheritance pattern of monohybrid cross of heterozygous individuals selection of darker individuals in subsequent generations spiraling time geologic time speciation in beetles speciation of lizards on Martinique Island (not yet actually different species, though!) reproductive isolation of equine species in Africa and Asia
- Images: oak leaves and acorns inheritance pattern of monohybrid cross of heterozygous individuals selection of darker individuals in subsequent generations spiraling time geologic time speciation in beetles speciation of lizards on Martinique Island (not yet actually different species, though!) reproductive isolation of equine species in Africa and Asia
- Images: oak leaves and acorns inheritance pattern of monohybrid cross of heterozygous individuals selection of darker individuals in subsequent generations spiraling time geologic time speciation in beetles speciation of lizards on Martinique Island (not yet actually different species, though!) reproductive isolation of equine species in Africa and Asia
- Images: oak leaves and acorns inheritance pattern of monohybrid cross of heterozygous individuals selection of darker individuals in subsequent generations spiraling time geologic time speciation in beetles speciation of lizards on Martinique Island (not yet actually different species, though!) reproductive isolation of equine species in Africa and Asia
- Images: oak leaves and acorns inheritance pattern of monohybrid cross of heterozygous individuals selection of darker individuals in subsequent generations spiraling time geologic time speciation in beetles speciation of lizards on Martinique Island (not yet actually different species, though!) reproductive isolation of equine species in Africa and Asia