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Evolution Site - Teaching About Evolution

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

This rich website - companion to the PBS series offers teachers with resources which support evolution education and help avoid the kinds of misconceptions that undermine it. It's arranged in a nested "bread crumb" format for ease of navigation and orientation.

Definitions

Evolution is a complicated and difficult subject to teach effectively. It is often misunderstood by non-scientists, and even scientists are guilty of using an interpretation that is confusing the issue. This is especially relevant when discussing the nature of the words themselves.

It is therefore essential to define the terms that are used in evolutionary biology. Understanding Evolution's website provides this in an easy and helpful manner. The site is both a companion for the 2001 series, 에볼루션바카라사이트 and it is also a resource on its own. The content is presented in a way that aids navigation and orientation.

The site defines terms like common ancestor, the gradual process, and adaptation. These terms help to define the nature and significance of evolution to other concepts in science. The site then offers an overview of how the concept of evolution has been vetted and verified. This information will help to dispel the myths created by creationists.

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

Adaptation: The tendency of heritable traits to become better adaptable to a specific environment. This is the 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 most recent common ancestor of two or more distinct species. The common ancestor can be identified by analyzing the DNA of these species.

Deoxyribonucleic acid: A large biological molecule that holds the information required for cell replication. The information is stored in nucleotide sequences that are strung into long chains known as chromosomes. Mutations are the source of new genetic information within cells.

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

Origins

Species (groups of individuals that can interbreed) evolve through natural changes in the traits of their offspring. These changes are caused by a variety, including natural selection, genetic drift, and gene pool mixing. The evolution of new species could take thousands of years. Environmental conditions, like climate changes or competition for food or habitat can slow or speed up the process.

The Evolution site traces through time the evolution of different animal and plant groups, focusing on major transitions in each group's past. It also focuses on human evolution and is a subject of particular importance for students.

Darwin's Origin was published in 1859, when just a handful of antediluvian fossils of humans were discovered. The famous skullcap, along with the bones that accompanied it, was discovered in 1856 in the Little Feldhofer Grotto of Germany. It is now regarded as an early Homo neanderthalensis. Although the skullcap was not published until 1858, a year before the first edition of the Origin was published, it is extremely unlikely that Darwin had seen or heard of it.

While the site is focused on biology, 에볼루션 사이트 에볼루션 바카라 무료체험 무료 (learn more) it also includes a good deal of information on geology and paleontology. One of the most appealing features of the Web site are a set of timelines which show how geological and climatic conditions changed over time, as well as an interactive map of the geographical distribution of some fossil groups that are featured on the site.

While the site is a companion to the PBS television series however, it can stand on its own as a great resource for teachers and students. The site is extremely well-organized and offers clear links between the introduction content in Understanding Evolution (developed with support from the National Science Foundation) and the more sophisticated elements of the museum Web site. These links facilitate the transition from the engaging cartoon style of the Understanding Evolution pages to the more sophisticated world of research science. There are links to John Endler’s experiments with guppies. They demonstrate the importance of ecology in evolutionary theory.

Diversity

The evolution of life has led to a variety of animals, plants and insects. Paleobiology, the study of these creatures in their natural environment is a superior method of study over the current observational or experimental methods of studying evolutionary processes. In addition to exploring processes and events that occur frequently or over a long period of time, paleobiology can be used to study the diversity of groups of organisms and their distribution across geological time.

The site is divided into several optional paths to learning evolution, 에볼루션 바카라 무료 including "Evolution 101," which takes the user on a linear path through the science of nature and the evidence to support the theory of evolution. The path also explores misconceptions about evolution and the background of evolutionary thought.

Each of the other sections of the Evolution site is similarly constructed, with materials that can be used to support a range of curriculum levels and pedagogical styles. The site includes a variety of multimedia and interactive resources that include animations, video clips and virtual laboratories, in addition to its general textual content. The breadcrumb-like structure of the content helps with navigation and orientation on the massive Web site.

For instance, the page "Coral Reef Connections" gives a brief overview of the relationships between corals and their interaction with other organisms. Then, it concentrates on a specific clam that can communicate with its neighbors and react to changes in water conditions that occur at the reef level. This page, as well as the other multidisciplinary interactive and multimedia pages, provides an excellent introduction to the many areas of evolutionary biology. The information also includes an explanation of the role of natural selection as well as the concept of phylogenetic analysis which is an important tool in understanding evolutionary changes.

Evolutionary Theory

Evolution is an underlying thread that runs through all branches of biology. A rich collection supports teaching evolution across all disciplines of life sciences.

One resource, which is the companion to PBS's television show Understanding Evolution is an excellent example of an Web page that provides depth and wide range of educational resources. The site has a wide array 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 more closely linked to the field of research science. For example an animation that explains the notion of genetic inheritance leads to a page that highlights John Endler's artificial selection experiments with guppies from the native ponds of Trinidad.

Another useful resource is the Evolution Library on this website, which includes an extensive library of multimedia assets connected to evolution. The content is organized into curricula-based pathways that correspond to the learning objectives outlined in the biology standards. It includes seven short videos designed specifically for classroom use, which can be streamed for free or purchased on DVD.

Evolutionary biology remains a field of study that poses many important questions to answer, 에볼루션 바카라 무료 such as what triggers evolution and 에볼루션 사이트 the speed at which it occurs. This is particularly relevant for the evolution of humans where it was a challenge to reconcile religious beliefs that humanity has a unique place in creation and a soul, with the idea that innate physical traits were derived from the apes.

In addition, there are a number of ways in which evolution could occur, with natural selection being the most popular theory. Scientists also study other types such as genetic drift and sexual selection.

Many fields of inquiry have a conflict with the literal interpretations of religious texts, evolutionary biology has been the subject of fierce debate and opposition from religious fundamentalists. While certain religions have managed to reconcile their beliefs with the notions of evolution, other religions haven't.