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Evolution Site - Teaching About Evolution

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

This rich Web site, which is a companion to the PBS program, provides teachers with materials that support the evolution of education, while avoiding the kinds of misconceptions which make it difficult to understand. It's laid out in the "bread crumb" format to facilitate navigation and orientation.

Definitions

Evolution is a complex and challenging subject to teach well. It is often misunderstood by non-scientists and even scientists have been guilty of using a definition that confuses the issue. This is especially relevant when discussing the nature 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 useful manner. The site is a companion site to the show which first aired in 2001, but it can also function as an independent resource. The content is presented in a way which aids navigation and orientation.

The site defines terms such as common ancestor and the gradual process. These terms help frame the nature of evolution and 에볼루션 바카라 무료체험 its relation to other concepts in science. The site then offers an overview of how the concept of evolution has been researched and validated. This information can help dispel myths created by creationists.

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

Adaptation: The tendency for heritable traits to become better adaptable to a specific environment. This is a result of natural selection. Organisms with more adaptable traits are more likely than those with less adaptable traits to reproduce and survive.

Common ancestor: The latest common ancestor of 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 that contains the information required for cell replication. The information is stored in nucleotides arranged in sequences that are strung together to form long chains, also known as chromosomes. Mutations are the reason behind the creation of new genetic information inside cells.

Coevolution is a relationship between two species where evolutionary changes in one species are affected by changes in evolutionary processes in the other. Coevolution can be seen in the interaction of predator and prey, or parasites and hosts.

Origins

Species (groups of individuals that can interbreed) evolve through natural changes in the traits of their offspring. The changes can be caused by a variety that include natural selection, genetic drift, and mixing of gene pools. The development of a new species could take thousands of years, and the process could be slowed down or speeded up by environmental conditions such as climate change or competition for food or habitat.

The Evolution site tracks the evolution of a variety of groups of animals and plants over time with a focus on the key changes that took place in each group's history. It also examines the evolutionary history of humans which is crucial for students to know.

When Darwin wrote the Origin in 1859, 에볼루션 바카라 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. While the skullcap wasn't published until 1858, just one year after the first edition of the Origin was published, it's very unlikely that Darwin had seen or heard of it.

While the site focuses on biology, it also contains a wealth of information about geology and paleontology. The Web site has numerous features that are especially impressive, including the timeline of how geological and climate conditions have changed over the course of time. It also includes maps that show the locations of fossil groups.

The site is a companion for the PBS television series, but it can be used as a resource by teachers and 에볼루션 무료 바카라 students. The site is very well-organized and offers clear links between the introductory information in Understanding Evolution (developed with support from the National Science Foundation) and the more sophisticated components of the museum's Web site. These links facilitate the transition from the cartoon-like style of the Understanding Evolution pages to the more sophisticated world of research science. There are links to John Endler's experiments with guppies, 에볼루션 무료 바카라 which demonstrate 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 within their geological context and has many advantages over modern observational and experimental methods for analyzing evolutionary phenomena. In addition to studying processes and events that take place regularly or over a lengthy period of time, paleobiology allows to examine the relative abundance of different kinds of organisms as well as their distribution throughout the geological time.

The site is divided into a variety of ways to learn about evolution which include "Evolution 101," which takes the viewer on a liner path through the scientific process and 에볼루션 무료 바카라 the evidence supporting the theory of evolution. The course also focuses on misconceptions about evolution and also the history of evolutionary thought.

Each of the main sections on the Evolution website is equally well-designed, with materials that are suited to a variety of levels of curriculum and teaching methods. The site has a range of interactive and multimedia content which include animations, video clips and virtual laboratories as well as general textual content. The breadcrumb-like arrangement of the content helps with navigation and orientation on the large Web site.

The page "Coral Reef Connections", for example, provides an overview of the relationships between corals, 에볼루션 바카라 무료 their interaction with other organisms, and then is enlarged to show one clam that is able communicate with its neighbors and react to changes in conditions of the water that occur at the reef level. This page, along with the other multidisciplinary multimedia and interactive pages, provides an excellent introduction to the many areas of evolutionary biology. The content also includes a discussion on the significance of natural selectivity and the concept phylogenetics analysis which is a crucial tool to understand evolutionary changes.

Evolutionary Theory

For 에볼루션 바카라사이트 슬롯게임 (supplemental resources) biology students the concept of evolution is a major thread that weaves together all the branches of the field. A rich collection supports teaching evolution across all life science disciplines.

One resource, a companion to the PBS television series Understanding Evolution, is an exceptional example of an Web site that provides depth and a variety of educational resources. The site offers a range of interactive learning modules. It also features a nested "bread crumb" structure that helps students move from the cartoon-like style of Understanding Evolution to elements on this huge site that are more closely tied to the world of research science. An animation that introduces students to the concept of genetics links to a page highlighting John Endler's experiments with artificial selection using guppies on native ponds in Trinidad.

The Evolution Library on this website has a huge multimedia library of resources that are associated with evolution. The contents are organized into curriculum-based paths that parallel the learning objectives outlined in biology standards. It includes seven short videos designed for classroom use. These can be streamed or purchased as DVDs.

A variety of crucial questions remain in the midst of evolutionary biology, such as what causes evolution to occur 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 place in creation and a soul with the notion that human beings have innate physical traits were derived from Apes.

Additionally, there are a number of ways that evolution can occur and natural selection is the most widely accepted theory. However scientists also study different kinds of evolution like genetic drift, mutation, and sexual selection, among others.

Although many scientific fields of study are in conflict with literal interpretations in religious texts, the concept of evolution biology has been the subject of intense controversy and opposition from religious fundamentalists. Some religions have reconciled their beliefs to evolution but others haven't.