进化论英文介绍
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• The theory of Evolution deals with how Evolution happens. Our understanding of this process is always changing. • Evolution is also a fact as there is a huge amount of indisputable evidence for its occurrence. Rodin’s “The Thinker”
• Around 1800, scientists began to wonder whether species could change or transmute.
• Lamarck thought that if an animal acquired a characteristic during its lifetime, it could pass it onto its offspring. • Hence giraffes got their long necks through generations of straining to Jean Baptiste de Lamarck reach high branches.
William Smith, his geology map & some of his fossil specimens At about the same time, geologists like William Smith were mapping the rocks and fossils of Britain. He and others showed that different species existed in the past compared with today.
Voyage of the Beagle
en.wikipedia.org/wiki/Image:Charles_Darwin_by_G._Richmond.jpg en.wikipedia.org/wiki/Image:HMS_Beagle_by_Conrad_Martens.jpg
Talk Outline
Part 1: How was evolution discovered? Discussion: Should Creationism and Evolution be given “equal time” in science lessons? Part 2: How does evolution work? Practical: Natural Selection in the Peppered Moth
commons.wikimedia.org/wiki/Image:Jean-baptiste_lamarck2.jpg en.wikipedia.org/wiki/Image:Giraffe_standing.jpg
Discovery (3): Fossils and Strata
http://en.wikipedia.org/wiki/ ImageWilliam_Smith.g.jpg http://en.wikipedia.org/wiki/Image: Geological_map_of_Great_Britain.jpg http://en.wikipedia.org/wiki/Image:Smith_fossils2.jpg
• We can draw a Tree of Life to show how every species is related. • Evolution is the process by which one species gives rise to another and the Tree of Life grows
Part 3: What is the evidence for evolution?
Discovery (1) Fixed species
Michelangelo’s fresco on the ceiling of the Sistine Chapel
en.wikipedia.org/wiki/The_Creation_of_Adam
From Classical times until long after the Renaissance, species were considered to be special creations, fixed for all time.
Discovery (2): Transmutation
Evolution
commons.wikimedia.org/wiki/Image:DNA_double_helix_vertikal.PNG
commons.wikimedia.org/wiki/Image:Charles_Darwin_1881.jpg
The Tree of Life
• All living things share a common ancestor.
Discovery源自文库(4): Darwin’s Voyage
• From 1831-1836, a young naturalist called Charles Darwin toured the world in HMS Beagle. • He was dazzled by the amazing diversity of life and started to wonder how it might have originated
en.wikipedia.org/wiki/Image:Phylogenetic_tree.svg
Evolution as Theory and Fact
• Confusion sometimes arises as to whether Evolution is a theory or a fact. Actually it is both!
• Around 1800, scientists began to wonder whether species could change or transmute.
• Lamarck thought that if an animal acquired a characteristic during its lifetime, it could pass it onto its offspring. • Hence giraffes got their long necks through generations of straining to Jean Baptiste de Lamarck reach high branches.
William Smith, his geology map & some of his fossil specimens At about the same time, geologists like William Smith were mapping the rocks and fossils of Britain. He and others showed that different species existed in the past compared with today.
Voyage of the Beagle
en.wikipedia.org/wiki/Image:Charles_Darwin_by_G._Richmond.jpg en.wikipedia.org/wiki/Image:HMS_Beagle_by_Conrad_Martens.jpg
Talk Outline
Part 1: How was evolution discovered? Discussion: Should Creationism and Evolution be given “equal time” in science lessons? Part 2: How does evolution work? Practical: Natural Selection in the Peppered Moth
commons.wikimedia.org/wiki/Image:Jean-baptiste_lamarck2.jpg en.wikipedia.org/wiki/Image:Giraffe_standing.jpg
Discovery (3): Fossils and Strata
http://en.wikipedia.org/wiki/ ImageWilliam_Smith.g.jpg http://en.wikipedia.org/wiki/Image: Geological_map_of_Great_Britain.jpg http://en.wikipedia.org/wiki/Image:Smith_fossils2.jpg
• We can draw a Tree of Life to show how every species is related. • Evolution is the process by which one species gives rise to another and the Tree of Life grows
Part 3: What is the evidence for evolution?
Discovery (1) Fixed species
Michelangelo’s fresco on the ceiling of the Sistine Chapel
en.wikipedia.org/wiki/The_Creation_of_Adam
From Classical times until long after the Renaissance, species were considered to be special creations, fixed for all time.
Discovery (2): Transmutation
Evolution
commons.wikimedia.org/wiki/Image:DNA_double_helix_vertikal.PNG
commons.wikimedia.org/wiki/Image:Charles_Darwin_1881.jpg
The Tree of Life
• All living things share a common ancestor.
Discovery源自文库(4): Darwin’s Voyage
• From 1831-1836, a young naturalist called Charles Darwin toured the world in HMS Beagle. • He was dazzled by the amazing diversity of life and started to wonder how it might have originated
en.wikipedia.org/wiki/Image:Phylogenetic_tree.svg
Evolution as Theory and Fact
• Confusion sometimes arises as to whether Evolution is a theory or a fact. Actually it is both!