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Evolution Site - Teaching About Evolution

Despite the best efforts of biology teachers, misinformation about evolution persist. Pop science fiction has led a lot of people to believe that biologists aren't believers in evolution.

This rich Web site - companion to the PBS series offers teachers with resources which support evolution education and help avoid the kinds of misinformation that can undermine it. It's laid out in the "bread crumb" format to aid in navigation and orientation.

Definitions

Evolution is a complicated and difficult subject matter to teach effectively. It is often misunderstood even by non-scientists, and even scientists have been guilty of using definitions that confuse the issue. This is especially true when discussing the meaning of the words themselves.

Therefore, it is important to define terms used in evolutionary biology. Understanding Evolution's website does this in a straightforward and useful way. It is an accompanying site for the 2001 series, and also a resource of its own. The material is presented in a nested manner that assists in navigation and orientation.

The site defines terms like common ancestor, gradual process, and adaptation. These terms help frame the nature of evolution as well as its relationship to other scientific concepts. The site also provides an overview of how the concept of evolution has been researched and 에볼루션 바카라사이트 validated. This information can help dispel myths created by creationists.

It is also possible to access a glossary of terms that are used in evolutionary biology. These terms include:

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

Common ancestor: The latest common ancestor of two or more distinct species. By analyzing DNA from these species, it is possible to determine the common ancestor.

Deoxyribonucleic acid: A massive biological molecule that contains information necessary for cell replication. The information is stored in nucleotide sequences that are strung into long chains, referred to as chromosomes. Mutations are responsible for the creation of new genetic information within cells.

Coevolution: A relationship between two species in which evolutionary changes in one species are dependent on evolutionary changes in the other. Coevolution can be seen in the interactions between predator and prey, or parasite and hosts.

Origins

Species (groups that can interbreed), evolve by a series of natural variations in the traits of their offspring. The causes of these changes are various factors, including natural selection, gene drift and mixing of the gene pool. The evolution of new species can take thousands of years. Environmental conditions, such as changes in the climate or competition for food or habitat, can slow or accelerate the process.

The Evolution site traces through time the emergence of various species of plants and animals and focuses on major changes in each group's history. It also explores the evolutionary history of humans, a topic that is particularly important for students to understand.

When Darwin wrote the Origin in 1859, only a handful of antediluvian human fossils had been discovered. Among them was the famous skullcap and associated bones found in 1856 in the Little Feldhofer Grotto in Germany that is now thought to be an early Homo neanderthalensis. It is highly unlikely that Darwin knew about the skullcap when it was published in 1858, 에볼루션코리아 which was a year after the publication of the first edition of The Origin.

While the site is focused on biology, it offers a lot of information about geology as well as paleontology. The most impressive features of the Web site are a timeline of events that illustrate how climatic and geological conditions have changed over time, as well as an interactive map of the geographical distribution of some fossil groups that are featured on the site.

Although the site is a companion to a PBS television show but it also stands on its own as a great resource for 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 elements of the museum's web site. These hyperlinks make it easy to move from the cartoon style of Understanding Evolution pages into the more sophisticated realms of research science. There are also links to John Endler's experiments with guppies. They demonstrate the importance of ecology in evolutionary theory.

Diversity

The evolution of life has resulted in many species of animals, plants and insects. Paleobiology, 무료에볼루션 the study of these creatures within their geological context is a superior method of study over the current observational or experimental methods for studying evolutionary phenomena. In addition to studying the processes and 에볼루션 바카라사이트 events that happen regularly or over a lengthy period of time, paleobiology can be used to examine the relative abundance of different species of organisms and 에볼루션게이밍 their distribution throughout geological time.

The Web site is divided into several optional pathways to understanding evolution that include "Evolution 101," which takes the viewer on a liner path through the nature of science and the evidence supporting the theory of evolution. The course also focuses on common misconceptions about evolution as well as the history of evolutionary thought.

Each of the main sections of the Evolution website is equally well-developed, with materials that support a variety levels of curriculum and teaching methods. The site includes a variety of interactive and multimedia resources which include videos, animations, and virtual labs in addition to 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.

For instance the page "Coral Reef Connections" gives a brief overview of the relationships between corals and their interactions with other organisms. Then, it narrows down to a single clam that can communicate with its neighbors and respond to changes in the water conditions at the level of the reef. This page, along with the other multidisciplinary, multimedia, and interactive pages on the site, offer an excellent introduction to the broad spectrum of topics in evolutionary biology. The content also includes a discussion on the significance of natural selectivity and the concept phylogenetics analysis, an important tool for understanding evolutionary change.

Evolutionary Theory

For biology students evolution is a crucial thread that binds all the branches of the field. A wide range of resources can help teachers teach about evolution across all life sciences.

One resource, which is the companion to PBS's television series Understanding Evolution is an excellent example of an Web page that provides the depth and the broadness in terms of educational resources. The site features a wealth of interactive learning modules. It also features a nested "bread crumb" structure that allows students to transition from the cartoon style of Understanding Evolution to elements on this huge site that are closer to the field of research science. For instance, an animation introducing the notion of genetic inheritance leads to a page highlighting John Endler's experiments with artificial selection using guppies in the ponds of his native country of Trinidad.

Another useful resource is the Evolution Library on this site, which has an extensive library of multimedia items connected to evolution. The content is organized into curricula-based paths that correspond to the learning goals set forth in biology standards. It includes seven short videos that are designed for classroom use. They can be streamed or purchased as DVDs.

A number of important questions remain at the heart of evolutionary biology, such as what causes evolution to occur and the speed at which it occurs. This is particularly relevant for the evolution of humans which was a challenge to reconcile religious beliefs that held that humanity has a special place in the creation and a soul, with the idea that innate physical traits were derived from the apes.

In addition there are a myriad of ways that evolution can be triggered, with natural selection being the most popular theory. However scientists also study other kinds of evolution, such as mutation, genetic drift and sexual selection, among others.

While many fields of scientific inquiry have a conflict with the literal interpretations of the Bible Evolutionary biology has been the subject of particularly controversial debate and resistance from religious fundamentalists. Some religions have reconciled their beliefs with evolutionary biology, while others haven't.