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Evolution Site Teaching About Evolution Despite the best efforts of biology teachers misinformation about evolution persist People who have taken in pop science nonsense often assume that biologists are saying they dont believe in evolution This rich Web site companion to the PBS series It provides teachers with materials which support evolution education and help avoid the kinds of misconceptions that make it difficult to understand Its laid out in a nested bread crumb format for ease of navigation and orientation Definitions It is difficult to properly teach evolution Nonscientists often misunderstand the subject and some scientists employ a definition that confuses it This is particularly true when discussing the definition of the words It is therefore crucial to define the terms used in evolutionary biology The website for the PBS show Understanding Evolution does this in a clear and useful way It is an accompanying site for the 2001 series but it is also a resource on its own The content is presented in a nested fashion that aids navigation and orientation The site defines terms such as common ancestor or common ancestor gradual process and adaptation These terms help to define the nature and significance of evolution to other scientific concepts The site also provides an overview of how the concept of evolution has been vetted and validated This information can help dispel the myths created by creationists 에볼루션 바카라 무료체험 is also possible to get the glossary of terms used in evolutionary biology These terms include Adaptation The tendency of heritable characteristics to become more suited to a particular environment This is a result of natural selection Organisms with betteradapted traits are more likely than those with lessadapted traits to survive and reproduce Common ancestor The most recent common ancestor of two or more species The common ancestor can be identified by studying the DNA of the species Deoxyribonucleic Acid A large biological molecular containing the information needed for cell replication The information is stored in nucleotide sequences that are strung into long chains called chromosomes Mutations are responsible for the creation of new genetic information inside cells Coevolution A relationship between two species where evolutionary changes in one species are dependent on evolutionary changes in the other Examples of coevolution include the interactions between predator and prey or the parasite and the host Origins Species groups of individuals who can interbreed evolve through a series of natural changes in the characteristics of their offspring The changes can be caused by a variety such as natural selection genetic drift and mixing of genes The evolution of a new species can take thousands of years and the process can be slowed down or speeded up by environmental factors like climate change or the competition for food or habitat The Evolution site traces through time the evolution of various animal and plant groups with a focus on major changes in each groups history It also examines the evolutionary origin of humans which is particularly important for students to comprehend When Darwin wrote the Origin of Species only a handful of antediluvian human fossils had been discovered The famous skullcap with the bones that accompanied it was discovered in 1856 in the Little Feldhofer Grotto of Germany It is now recognized as an early Homo neanderthalensis It is highly unlikely that Darwin was aware of the skullcap which was first published in 1858 which was a year after the publication of the first edition of The Origin While the site is focused on biology it includes a good deal of information about geology as well as paleontology One of the most appealing features of the Web site are a set of timelines which show how climatic and geological conditions have changed over time and an outline of the distribution of some of the fossil groups featured on the site The site is a companion for a PBS television series but it could also be used as an educational resource by teachers and students The site is very well organized and provides clear links between the introductory content in Understanding Evolution developed with support from the National Science Foundation and the more specific components of the museums Web site These links make it easier to move from the cartoonstyle Understanding Evolution pages into the more sophisticated worlds of research science Particularly there are links to John Endlers experiments with Guppies that demonstrate the importance of ecology in evolutionary theory Diversity The evolution of life on Earth has led to a wide variety of animals plants and insects Paleobiology is the study of these creatures in their geological context and has numerous advantages over modern observational and experimental methods of examining evolutionary phenomena Paleobiology focuses on not only the process and events that take place frequently or over time but also the relative abundance and distribution of various animal groups in space throughout the geological time The website is divided into several optional ways to learn about evolution which include Evolution 101 which takes the viewer on a liner path through the science of nature and the evidence that supports the theory of evolution The path also reveals common misconceptions about evolution and the evolution of thought Each of the other sections of the Evolution site is equally constructed with materials that can be used to support a range of different pedagogical levels and curriculum levels In addition to the standard textual content the site features an extensive selection of interactive and multimedia resources such as videos animations and virtual labs The breadcrumblike structure of the content aids in navigation and orientation on the massive website For instance the page Coral Reef Connections provides an overview of coral relationships and their interactions with other organisms Then it narrows down to a single clam that is able to communicate with its neighbors and react to changes in the water conditions at the level of the reef This page as well as the other multidisciplinary multimedia and interactive pages on the website provide an excellent introduction to a broad spectrum of topics in evolutionary biology The content also includes an explanation of the role of natural selection as well as the concept of phylogenetic analysis which is an important tool for understanding the evolution of change Evolutionary Theory Evolution is a common thread that connects all branches of biology A vast collection of books helps in teaching evolution across the life science disciplines One resource the companion to PBSs television series Understanding Evolution is an excellent example of an Web page that offers both the depth and the broadness in terms of educational resources The site offers a variety of interactive learning modules It also has an bread crumb structure that assists students in moving away from the cartoon style used in Understanding Evolution and onto elements on this large website more closely linked to the realms of research science An animation that introduces the concept of genetics links to a page that highlights John Endlers artificialselection experiments with Guppies living in ponds native to Trinidad The Evolution Library on this website has a huge multimedia library of materials that deal with evolution The content is organized according to curriculabased pathways that correspond to the learning objectives set out in the standards for biology It includes seven short videos specifically designed for use in the classroom and can be streamed for no cost or purchased on DVD A variety of crucial questions remain at the heart of evolutionary biology such as what triggers evolution and the speed at which it occurs This is particularly relevant in the case of human evolution where it was a challenge to reconcile religious beliefs that held that humanity has a special place in the creation and a soul with the notion that human beings have innate physical traits originated from the apes There are also a number of other ways in which evolution can take place with natural selection as the most popular theory Scientists also study other types such as genetic drift and sexual selection Many fields of inquiry have a conflict with literal interpretations of religious texts Evolutionary biology has been the subject of fierce debate and opposition from religious fundamentalists While certain religions have been able to reconcile their beliefs with the ideas of evolution others have not