PPT-Darwin’s Theory of Evolution

Evolution Served on the HMS Beagle that sailed on a 5 year expedition One of the locations visited was the Galapagos Islands west of South America Charles Darwin 1809 1882 Darwins Travels. Theories of Inheritance. Chapter 7. Key Concepts. Neither Darwin nor Wallace knew how variation could be produced in Nature. . . What do we attribute this to now? . The accepted theories of inheritance were the . Introduction. Charles Darwin was a biologist who lived during the 1800s. Scientific thinking was shifting (biology & 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.. 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. Born: 12. th . February, 1809, in Shrewsbury. Died: April 19. th. , 1882, in . D. owne, due to heart problems. In 1831, he set sail on the HMS Beagle for a 5-year voyage around the Earth. He married on January 29. 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”. Voyage. of the . Beagle. Psalm 104:24-30. O LORD, how manifold are your works!. In wisdom you have made them all; the earth is full of your creatures. Yonder is the sea, great and wide, creeping things innumerable are there, living things both small and great. There go the ships, and Leviathan that you formed to sport in it.. 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.. published 1844, anonymously by Robert Chambers. Elaborated the idea that all matter, inorganic and organic, evolved out of inorganic dust by the accumulation of accidental mutations caused somehow by changes in nutrition or environment.. Evolutionary Ideas. A. lthough Darwin is given much credit for evolutionary theory, he was not the first person to come up with the idea.. Evolution is the change in a population over time.. The concept of evolution had been discussed for more than 100 years prior to Darwin’s theory.. . Naturalism . is the doctrine that scientific procedures and laws are applicable to all phenomena.. Evolutionary Theory. . has roots in ancient Greece, as well as Eastern Sources. In fact, evolution is part of the larger question of cosmogony, the study of the origin of the cosmos.. 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. wallace. and was explained in book “ on the origin of species by means of Natural Selection . . Darwin put the theory based on his observations as he travelled round the world on the ship Beagle.. 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.. Adaptation. Adaptations are inherited traits that increase a group’s chance of . survival & reproduction. This type of finch has a thick beak .  adaptation for cracking open seeds. Variation.