PPT-Darwin’s Theory of Evolution by Natural Selection

Louise Livesey Definitions from OED Online EVOLUTION The origination of species of animals and plants as conceived by those who attribute it to a process of development from earlier forms and not to a process of special creation . Radinka. Charles Darwin. Charles Darwin was born in February 1809 in Mount Shrewsbury UK. . He was educated in Shrewsbury School then sent to Edinburg University to study medicine. Two years later in 1827, he was beginning a degree in divinity (study of religion) at Cambridge. . 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. Change over time…. Geology. Began to study rock layers called strata. George Cuvier. Studied fossils. Found extinct species and noticed the deeper the fossil the more unique. Catastrophism. Charles Lyell. Evolution- changes in the characteristics of groups of organisms over time . Charles Darwin was the first to propose a feasible . mechanism. for evolution. It is called . natural selection. . . Evolution by Natural Selection is a theory. . Charles Darwin . By: Amber Lopez, Vanessa Jaramillo, Sherry Rodriguez, and Ashley Ramirez. Charles Darwin . Charles Robert Darwin. was an . English naturalist. and . geologist. , his best known work was . Danielle Donahue. Aa. A. daptation: a well fitted feature that aids in the survival of a population. Example: the blind cave salamander has no use for eyes because they live in complete darkness. Bb. 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.. EARLY THEORIES OF EVOLUTION. DARWIN, WALLACE, & . THE ORIGIN. DARWIN’S THEORIES OF EVOLUTION. WHAT EVOLUTION IS NOT. MODERN SYNTHESIS. BIOGEOGRAPHY. SCHOOLS OF SYSTEMATICS. Early theories of natural history and classification treated living things as immutable and were . Modern Theory of Evolution) . Review Questions. What structure does this picture represent?. Answer: Homologous Traits . What is an adaptation?. A) . A test for natural selection . B) . A. . physical or behavioral characteristic that has developed to allow an organism to better survive in its 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.. Week 9:. By Mackenzie and Emily. Michael Banton, . Racial Theories . (Cambridge: Cambridge University Press, 1998), Ch. 4, ‘Race as Subspecies’, pp. 81-116. ‘With the recognition that plant and animal populations were distinguished by the gene frequencies they had acquired in the course of evolution… a new foundation was laid for biological science’ (p. 116).. 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.. What is a scientific theory?. In science, the word theory applies to a well-tested explanation that unifies a broad range of observations and hypotheses and that enables scientists to make accurate predictions about new situations..