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Evolution Site - Teaching About Evolution

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

This site, a companion to the PBS program that provides teachers with resources that support the evolution of education while avoiding the types of misconceptions which undermine it. It's organized in a nested "bread crumb" format to facilitate navigation and orientation.

Definitions

Evolution is a complex and challenging subject to teach well. People who are not scientists often have a difficult time understanding the subject and some scientists use a definition that confuses it. This is particularly relevant when discussing the nature of the words themselves.

It is therefore important to define the terms used in evolutionary biology. Understanding Evolution's website does this in an easy and helpful way. The website is a companion to the show which first aired in 2001, but is also an independent resource. The material is organized in a manner that makes it easier to navigate and understand.

The site defines terms such as common ancestor and gradual process. These terms help frame the nature and significance of evolution to other scientific concepts. The site gives a comprehensive overview of the manner that evolution has been examined. This information can be used to dispel misconceptions that have been propagated by creationists.

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

Adaptation: The tendency for heritable traits to become better adaptable to a specific environment. This is the result of natural selection, which occurs when organisms with better adapted traits are more likely to survive and reproduce than those with less adapted traits.

Common ancestor (also called common ancestor): The most recent ancestor shared by two or more species. The common ancestor can be identified through analyzing the DNA of these species.

Deoxyribonucleic acid: A large biological molecule that contains the information needed for cell replication. The information is contained in nucleotides arranged in sequences that are strung together into long chains, also known as chromosomes. Mutations are the cause of new genetic information within cells.

Coevolution is a relation between two species in which the evolutionary changes of one species are influenced evolutionary changes of the other. Examples of coevolution include the interaction between predator and prey or parasite and host.

Origins

Species (groups of individuals that can interbreed) change through a series of natural changes in the characteristics of their offspring. The changes can be caused by a variety, including natural selection, genetic drift, and mixing of gene pools. The development of new species can take thousands of years. Environmental conditions, like climate changes or competition for food and habitat can impede or accelerate the process.

The Evolution site tracks through time the evolution of various groups of animals and plants and focuses on major changes in each group's history. It also examines the evolutionary history of humans which is particularly important for students to comprehend.

Darwin's Origin was published in 1859, at a time when only a handful of antediluvian fossils of humans were discovered. Among them was the famous skullcap and the associated bones discovered in 1856 at the Little Feldhofer Grotto in Germany that is now thought to be an early Homo neanderthalensis. It is unlikely that Darwin was aware of the skullcap when it was published in 1858, one year after the publication of the first edition of The Origin.

While the site focuses on biology, it also contains a wealth of information on geology and paleontology. One of the most appealing features of the Web site are a timeline of events that show how geological and climatic conditions have changed over time and an outline of the distribution of some fossil groups listed on the site.

The site is a companion for the PBS television series, but it can also be used as a resource by teachers and students. The site is well-organized and provides easy links to the introductory material of Understanding Evolution (developed under the National Science Foundation's assistance) and 에볼루션 카지노 룰렛 (Kingranks.Com) the more specialized features of the museum's website. These links facilitate the transition from the engaging cartoon style of the Understanding Evolution pages to the more sophisticated world of research science. In particular, there are links to John Endler's experiments using Guppies that demonstrate the importance of ecology in evolutionary theory.

Diversity

The evolution of life has resulted in a variety of plants, animals and insects. Paleobiology, the study of these creatures in their geological environment offers many advantages over the current observational or experimental methods for exploring evolutionary phenomena. In addition to examining processes and events that occur regularly or over a lengthy period of time, paleobiology can be used to analyze the diversity of kinds of organisms as well as their distribution across the geological time.

The Web site is divided into various ways to learn about evolution that include "Evolution 101," which takes the user on a linear path through the nature of science and the evidence to support the theory of evolution. The path also reveals common misconceptions about evolution and the evolution theory's history.

Each of the other major 에볼루션 바카라 무료체험게이밍 (click through the next page) sections of the Evolution site is similarly developed, with materials that can support a variety of different pedagogical levels and curriculum levels. In addition to the standard textual content, the site features a wide range of interactive and multimedia resources including videos, animations and virtual labs. The content is laid out in a nested bread crumb style that facilitates navigation and orientation on the web site.

For example the page "Coral Reef Connections" provides a comprehensive overview of the relationships between corals and their interactions with other organisms. Then, it narrows down to a single clam that is able to communicate with its neighbours and respond to changes in the water conditions that occur at the reef level. This page, along with the other multidisciplinary multimedia and interactive pages, gives a good introduction to many topics in evolutionary biology. The information also includes an explanation of the role of natural selection and the concept of phylogenetic analysis which is an important tool in understanding evolutionary change.

Evolutionary Theory

Evolution is a common thread that is found throughout all branches of biology. A vast collection of books helps in teaching evolution across all disciplines of life science.

One resource, which is a companion to the PBS television series Understanding Evolution, is an outstanding example of an Web site that provides depth and breadth in its educational resources. The site offers a variety of interactive learning modules. It also has an "bread crumb structure" that helps students move away from the cartoon-like style of Understanding Evolution and onto elements on this large website more closely related to the worlds of research science. An animation that introduces students to the concept of genetics, which links to a page highlighting John Endler's artificial-selection experiments with guppies on native ponds in Trinidad.

Another helpful resource is the Evolution Library on this site, which has an extensive multimedia library of resources that are related to evolution. The contents are organized into curriculum-based paths that parallel the learning goals established in the biology standards. It includes seven short videos specifically designed for use in the classroom, and can be streamed for free or purchased on DVD.

Evolutionary biology remains a field of study that poses many important questions, such as what triggers evolution and the speed at which it takes place. This is especially true for humans' evolution where it was a challenge to reconcile religious beliefs that held that humans have a distinct place in creation and a soul with the notion that our physical traits evolved from apes.

Additionally there are a myriad of ways that evolution could be triggered and natural selection is the most popular theory. However scientists also study other kinds of evolution like mutation, genetic drift, and sexual selection, among other things.

Many fields of 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. Certain religions have reconciled their beliefs with evolution, while others haven't.