PPT-Charles Darwin’s Theory of Evolution

Introduction Charles Darwin was a biologist who lived during the 1800s Scientific thinking was shifting biology amp geology Evolution the process of change over time Darwin developed a theory that explains how modern organisms evolved over long periods of time through descent from common ancestors. From its 64257rst publication the theory stirred controversy perhaps not surprisingly for a theory that not only revolutionised biology but had farreaching implications for many aspects of our lives Today Darwins theory in64258uences many areas from Scientific Theory. Social use of the word “theory”. Not the same as in science. Implies a hunch or a casual guess. Scientific Theory. 1. Highly probable explanation based on vast collections of scientific data. How are these iguanas similar? . How are they different?. Do you think they are related? (Do they share a common ancestor?). Darwin’s Voyage. EQ: How did Darwin explain the differences between species on the Galapagos Islands and mainland South America?. different. species alive today. All life shares . common. characteristics. The Earth is very . old. Life. is very . old. Life has . changed. over time. The changes have been . little changes over long periods of time. &. Evolution. By. Hayden. &. Elijah the awesome . How do species evolve. All species are related to each other. If you trace your family tree back through your parents, grandparents etc. it will quite quickly join up with your cousin’s family tree. If you keep going back far enough, eventually your tree will join up with that of a chimpanzee! Keep going and it will join up with your pet hamsters, further still with your pet cats. Keep going and eventually it will join up with your pet goldfish and if you really keep going for a long time you can trace it back so it joins up with an apple tree’s family tree, and eventually bacteria will join up too!. Charles Darwin was born February 12 1809 in Shrewsbury England. . He came from a long line of doctors, his father was a medical doctor, and his grandfather was a botanist.. He was described as someone who “loved to explore nature”. Brain Warm Up. What different ways do these animals use to move about?. What traits does each animal have that help it move about as it does?. 15-1 The Puzzle of Life’s Diversity. Humans share the earth with millions of other kinds of organisms of every imaginable shape, size, and habitat.. Texas Horned Lizard. Defense Behavior Adaptations. Its horns are extensions of its cranium and contain true bone.. When threatened it will puff up its body to cause its spiny scales to protrude, which makes it hard to swallow.. Theory?. A theory is simply an idea!. Low Level- . the observations and interpretations that emerge from hands-on archaeological field work.. Middle Level- . links archaeological data with relevant aspects of human behavior. of Discovery. THINK ABOUT IT . If you’d met young Charles Darwin, you probably wouldn’t have guessed that his ideas would change the way we look at the world. As a boy, Darwin wasn’t a star student. . Background Info: Charles Darwin. Set sail on the HMS . Beagle. . 5 year trip around the world. Naturalist: a person who studies the natural world. He wanted to learn about the living things he saw on the voyage . Charles Darwin. Charles Darwin was born in the mount, Shrewsbury and was an English naturalist, geologist and biologist. He was best known for the science of evolution. Charles lived in 3 places: Downe Kent, London and Shrewsbury. Sadly . & . Natural Selection. studied medicine at Edinburgh University (1825-1827) where the sight of blood and surgery without anesthetics repulsed him. studied to become a clergyman at Cambridge University (1827-1831). Course Objectives. Describe the importance of Jean-Baptiste Lamarck, Charles Darwin, Alfred Wallace, Charles Lyell, Stephen Jay Gould, to the development of evolutionary theory.. Describe five ways that fossils can form including amber, tar pits, petrification, sedimentary rocks, and ice..