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Why Evolution Site Will Be Your Next Big Obsession
Evolution Site - Teaching About Evolution

Despite the best efforts of biology educators, there are still a lot of misconceptions regarding evolution. Pop science nonsense has led many people to believe that biologists aren't believers in evolution.

This site, which is a companion to the PBS series - provides teachers with materials which support evolution education and avoid the kinds of misinformation that can hinder it. It's laid out in a nested "bread crumb" format to make it easy for navigation and orientation.

Definitions

Evolution is a complicated and difficult subject to teach well. People who are not scientists often have a difficult time understanding the subject, and some scientists even employ a definition that confuses it. This is especially relevant when discussing the nature of the words themselves.

It is therefore important to define the terms that are used in evolutionary biology. The website for the PBS show, Understanding Evolution, does this in a clear and useful way. The site is both an accompaniment to the 2001 series, and also a resource on its own. The material is presented in an organized way that makes it easy to navigate and comprehend.

The site defines terms such as common ancestor and gradual process. These terms help to define the nature of evolution as well as its relation to other concepts in science. The site provides an overview of the way that evolution has been examined. This information can help dispel the myths created by creationists.

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

Adaptation: The tendency for heritable characteristics to become more suitable to a particular setting. This is a result of natural selection. Organisms that have better-adapted characteristics are more likely than those with less adaptable characteristics to survive and reproduce.

Common ancestor (also called common ancestor) is the most recent ancestor that is shared by two or more species. By analyzing the DNA from these species it is possible to determine the common ancestor.

Deoxyribonucleic Acid: A large biological molecular containing the necessary information for cell replication. The information is stored in nucleotide sequences that are strung into long chains called chromosomes. Mutations are the reason behind the creation of new genetic information within cells.

Coevolution is a relationship between two species where evolution of one species influence evolutionary changes of the other. Coevolution is evident in the interaction of predator and prey, or parasites and hosts.

Origins

Species (groups that can crossbreed), evolve through a series of natural changes in their offspring's traits. The causes of these changes are many factors, such as natural selection, gene drift, and mixing of the gene pool. The development of a new species may take thousands of years, and the process could be slowed down or speeded up due to environmental conditions, such as climate change or the competition for food or habitat.

The Evolution site follows the evolution of various species of plants and animals with a focus on major changes in each group's past. It also examines the human evolutionary roots and humans, a subject that is particularly important for students to understand.

When Darwin wrote the Origin, only a handful of antediluvian human fossils had been discovered. 에볼루션 코리아 , along with the associated bones, was discovered in 1856 in the Little Feldhofer Grotto of Germany. It is now regarded as an early Homo neanderthalensis. It is highly unlikely that Darwin was aware of the skullcap when it was published in 1858, which was a year following the initial edition of The Origin.

While the site focuses on biology, it also offers a lot of information about geology as well as paleontology. Among the best features of the Web site are a timeline of events which show the way in which climatic and geological conditions have changed over time and a map of the geographical distribution of some fossil groups listed on the site.

Although the site is a companion piece to a PBS television series but it also stands on its own as a great resource for teachers and students. The site is well-organized and offers easy links to the introductory material of Understanding Evolution (developed under the National Science Foundation's assistance) and the more specific features of the museum's website. These links make it easier to transition from the cartoon style of Understanding Evolution pages into the more sophisticated realms of research science. In particular there are links to John Endler's research with guppies that illustrate the importance of ecology in evolutionary theory.

Diversity

The evolution of life on Earth has resulted in a variety of plants, animals, and insects. Paleobiology is the study of these creatures in their natural environment and has numerous advantages over the modern observational and research methods in its exploration of evolutionary phenomena. In addition to studying processes and events that take place frequently or over a long period of time, paleobiology can be used to study the relative abundance of different species of organisms and their distribution across the geological time.

The Web site is divided into several optional ways to learn about evolution, including "Evolution 101," which takes the viewer on a liner path through the scientific process and the evidence to support the theory of evolution. The path also reveals the most common misconceptions about evolution, as well as the evolution of thought.

Each of the other main sections of the Evolution site is equally well developed, 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 also has an array of interactive and multimedia resources, such as videos, animations, and virtual laboratories. The content is organized 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, it gives a brief overview of the coral's relationships and their interactions with other organisms and zooms in on one clam that is able communicate with its neighbors and respond to changes in conditions of the water at the reef level. This page, as well as the other multidisciplinary, multimedia, and interactive pages on the website, provide an excellent introduction to the broad variety of topics in evolutionary biology. The material includes a discussion on the role of natural selectivity and the concept phylogenetics analysis, an important tool for understanding evolutionary change.

Evolutionary Theory

Evolution is a common thread that runs through all branches of biology. A rich collection of resources helps teachers teach about evolution across all life sciences.

One resource, the companion to PBS's television series Understanding Evolution is an excellent example of a Web site that provides depth as well as wide range of educational resources. The site has a variety of interactive learning modules. It also features an embedded "bread crumb" structure that allows students to transition from the cartoon style of Understanding Evolution to elements on this huge site that are more closely linked to the world of research science. An animation that introduces the concept of genetics links to a page about John Endler's artificial-selection experiments with guppies on native ponds in Trinidad.

The Evolution Library on this website contains a large multimedia library of assets related with evolution. The content is organized according to curricula-based pathways that correspond to the learning objectives set out in the standards for biology. It contains seven videos specifically designed for use in classrooms, and can be streamed for no cost or purchased on DVD.

Evolutionary biology is still an area of study that poses many important questions, including the causes of evolution and the speed at which it occurs. This is particularly true in the case of human evolution which was a challenge to reconcile religious beliefs that held that humanity has a special place in creation and a soul with the idea that innate physical traits evolved from apes.

In addition there are a variety of ways that evolution can be triggered and natural selection is the most widely accepted theory. However scientists also study different types of evolution such as genetic drift, mutation, and sexual selection, among others.


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

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