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Evolution Site - Teaching About Evolution

Despite the best efforts of biology teachers, misinformation about evolution remain. People who have been exposed to the nonsense of pop science often believe that biologists are saying they do not believe in evolution.

This site, which is a companion to the PBS program offers teachers resources which support evolution education while avoiding the types of misconceptions that can make it difficult to understand. It's organized in a "bread crumb" format to facilitate navigation and orientation.

Definitions

It's not easy to effectively teach evolution. It is often misunderstood by non-scientists, and even scientists have been guilty of using definitions that confuse the issue. This is particularly relevant when discussing the meaning of the words themselves.

As such, it is important to define terms used in evolutionary biology. The website for the PBS show, Understanding Evolution, does this in a clear and helpful manner. The site is both a companion for the 2001 series, and also a resource on its own. The material is presented in a nested fashion that aids navigation and orientation.

The site defines terms such as common ancestor, gradual process, and adaptation. These terms help to define the nature of evolution and its relation to other scientific concepts. The site provides an overview of the way that evolution has been examined. This information can be used to dispel myths that have been engendered by the creationists.

You can also access a glossary that contains terms that are used in evolutionary biology. These terms include:

The process of adaptation is the tendency of hereditary traits to become more suitable to their environment. This is a result of natural selection. Organisms with more adaptable characteristics are more likely than those with less-adapted characteristics to survive and reproduce.

Common ancestor: 에볼루션 무료체험 The most recent common ancestor of two or more different species. The common ancestor can be identified through analyzing the DNA of these species.

Deoxyribonucleic Acid: A huge biological molecular containing the information required for cell replication. The information is stored in nucleotide sequences, which are strung into long chains known as chromosomes. Mutations are the reason behind the creation of new genetic information inside cells.

Coevolution: A relationship between two species where evolutionary changes in one species are affected by changes in evolutionary processes in the other. Examples of coevolution are the interactions between predator and prey or the parasite and the host.

Origins

Species (groups of individuals that are able to interbreed) evolve through natural changes in the traits of their offspring. Changes can be caused by numerous factors, 에볼루션바카라 like natural selection, gene drift and mixing of the gene pool. The evolution of new species could take thousands of years. Environmental conditions, 에볼루션 무료 바카라 such as climate change or competition for food and habitat can impede or accelerate the process.

The Evolution site traces through time the evolution of various groups of animals and plants, focusing on major transitions within each group's past. It also focuses on the evolutionary history of humans, a topic that is especially important for students to comprehend.

Darwin's Origin was published in 1859, when only a handful of antediluvian fossils of humans had been found. The most famous among them was the skullcap and the associated bones discovered in 1856 at the Little Feldhofer Grotto in Germany which is now believed as an early Homo neanderthalensis. Although the skullcap was not published until 1858, just a year before the first edition of the Origin was published, it's extremely unlikely that Darwin had heard or seen of it.

While the site focuses on biology, it also contains a wealth of information on geology and paleontology. The most impressive features of the Web site are a series of timelines which show how climatic and geological conditions have changed over time as well as a map of the geographical distribution of some fossil groups that are featured on the site.

The site is a companion to a PBS TV series but it can also be used as an educational source for teachers and students. The site is well-organized and offers clear links to the introduction information of Understanding Evolution (developed under the National Science Foundation's assistance) and the more specific features of the museum's website. These hyperlinks facilitate the move from the enthralling cartoon style of the Understanding Evolution pages to the more sophisticated world of research science. There are also links to John Endler's experiments with guppies, which illustrate the importance of ecology in evolutionary theory.

Diversity

The evolution of life has resulted in many species of animals, plants and insects. Paleobiology is the study of these creatures within their natural environment, has many advantages over modern observational or experimental methods of studying evolutionary processes. In addition to studying the processes and events that happen regularly or over a lengthy period of time, paleobiology can be used to analyze the relative abundance of different groups of organisms and their distribution in space over geological time.

The site is divided into various pathways to understanding evolution, including "Evolution 101," which takes the viewer on a line through the nature of science and the evidence that supports the theory of evolution. The path also explores misconceptions about evolution, 에볼루션 바카라 체험 and also the history of evolutionary thinking.

Each of the main sections on the Evolution website is equally well-designed, with materials that are suited to a variety of educational levels and teaching styles. The site offers a wide array of interactive and multimedia content, including animations, video clips and virtual labs as well as general textual content. The content is presented in a nested bread crumb-like fashion that helps with navigation and orientation within the large web site.

The page "Coral Reef Connections" For instance, the page "Coral Reef Connections" provides an overview of the relationships between corals and their interactions with other organisms and then zooms in on a single clam, which is able communicate with its neighbors and respond to changes in the water conditions that occur on the reef level. This page, as well as the other multidisciplinary, multimedia and interactive pages on the site, offer an excellent introduction to the broad variety of topics in evolutionary biology. The content also includes an overview of the significance of natural selectivity and 에볼루션 the concept of phylogenetics as a key tool to understand evolutionary change.

Evolutionary Theory

For biology students the concept of evolution is a major thread that connects all branches of the field. A vast collection of books helps in teaching evolution across all life science disciplines.

One resource, which is the companion to PBS's TV series Understanding Evolution is an excellent example of a Web site that provides depth as well as wide range of educational resources. The site offers a variety of interactive learning modules. It also features an "bread crumb structure" that helps students move away from the cartoon-like style that is used in Understanding Evolution and 에볼루션 무료체험 onto elements on this site that are more closely linked to the realms of research science. An animation that introduces the concept of genetics is linked to a page about John Endler's experiments with artificial selection using guppies on native ponds in Trinidad.

Another useful resource is the Evolution Library on this web site, which contains an extensive library of multimedia assets that are related to evolution. The content is organized into the form of curriculum-based pathways that are in line with the learning goals set forth in biology standards. It includes seven short videos designed specifically for use in classrooms, and can be streamed for no cost or purchased on DVD.

A number of important questions remain at the heart of evolutionary biology, such as what triggers evolution and how fast it happens. This is particularly true for humans' evolution which was a challenge to reconcile religious beliefs that humanity has a unique position in the universe and a soul with the notion that our physical traits originated from Apes.

In addition, there are a number of ways in which evolution could be triggered with natural selection being the most popular theory. However scientists also study other types of evolution such as mutation, genetic drift, and sexual selection, among other things.

Although many scientific fields of study are in conflict with literal interpretations in religious texts, the concept of evolution biology has been a source of intense controversy and opposition from religious fundamentalists. While certain religions have been able to reconcile their beliefs with the theories of evolution, other religions aren't.