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Evolution Site - Teaching About Evolution

Despite the best efforts of biology educators, misinformation about evolution remain. People who have taken in pop science nonsense often assume that biologists are saying they do not believe in evolution.

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

Definitions

Evolution is a complex and difficult subject matter to teach effectively. Many non-scientists are unable to grasp the concept and some scientists use a definition that confuses it. This is particularly true when discussing the nature of the words themselves.

Therefore, 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. It is an accompanying site for the 2001 series, but also a resource of its own. The material is presented in a nested manner that assists in navigation and orientation.

The site defines terms such as common ancestor, 에볼루션 무료체험카지노 (Http://49.51.81.43/Home.Php?Mod=Space&Uid=1112813) the gradual process, and adaptation. These terms help frame the nature of evolution as well as its relationship to other concepts in science. The site also provides an overview of how the concept of evolution has been researched and validated. 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 is the process of changing hereditary traits to become better suited to an environment. This is due to natural selection. It occurs when organisms that are better adapted traits are more likely to survive and reproduce than those with less adaptable characteristics.

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

Deoxyribonucleic acid: A huge biological molecule that contains information needed for cell replication. The information is stored in a sequence of nucleotides that are strung together into long chains, referred to as chromosomes. Mutations are the cause of new genetic information within cells.

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

Origins

Species (groups that can interbreed) develop through a series of natural changes in their offspring's traits. Changes can be caused by various factors, including natural selection, gene drift and mixing of the gene pool. The evolution of a new species may take thousands of years and the process could be slowed down or accelerated by environmental factors like climate change or the competition for food or habitat.

The Evolution site traces through time the evolution of various groups of animals and plants, focusing on major transitions in each group's history. It also examines the human evolutionary roots which is especially important for students to understand.

Darwin's Origin was published in 1859, when just a handful of antediluvian fossils of humans were 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. Although the skullcap was not published until 1858, which was a year before the first edition of the Origin was published, it is extremely unlikely that Darwin had heard or seen of it.

While the site focuses on biology, it offers a lot of information on geology and paleontology. The website has several features that are particularly impressive, including the timeline of how climate and geological conditions have changed over time. It also includes maps that show the locations of fossil groups.

The site is a companion for a PBS television series, but it can also be used as an educational resource for teachers and students. The site is well-organized and provides clear links to the introductory information of Understanding Evolution (developed under the National Science Foundation's support) and the more specialized features of the museum website. These links make it easier to transition from the cartoon-style Understanding Evolution pages into the more sophisticated worlds of research science. In particular, 에볼루션 사이트 there are links to John Endler's experiments using Guppies, which demonstrate the importance of ecology in evolutionary theory.

Diversity

The evolution of life on Earth has led to a wide variety of animals, plants and insects. Paleobiology is the study of these creatures within their natural environment, has many advantages over the current observational or experimental methods for exploring evolutionary phenomena. Paleobiology can examine not just the processes and events that happen regularly or over time, but also the relative abundance and distribution of different species of animals across geological time.

The website is divided into several optional pathways to understanding evolution which 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 explores misconceptions regarding evolution, and the background of evolutionary thought.

Each of the main sections of the Evolution website is equally well-developed, with materials that support a variety curriculum levels and teaching styles. The site offers a wide array of interactive and multimedia content, including video clips, animations and virtual laboratories in addition to general textual content. The content is presented in a nested bread crumb fashion that aids navigation and orientation on the web site.

The page "Coral Reef Connections" For 에볼루션 바카라 instance, the page "Coral Reef Connections" gives a brief overview of the coral's relationships, their interaction with other organisms and then zooms in to a single clam, which is able to communicate with its neighbors and respond to changes in water conditions that occur on the reef level. This page, as well as the other multidisciplinary interactive and multimedia pages offers a great introduction to a variety of topics in evolutionary biology. The content includes an explanation of the significance of natural selectivity and the concept of phylogenetics analysis which is a crucial tool to understand evolutionary changes.

Evolutionary Theory

Evolution is a common thread that runs through all branches of biology. A rich collection of resources supports teaching about evolution across the life sciences.

One resource, a companion to the PBS television series Understanding Evolution, is an excellent example of a Web site that offers both the depth and breadth of its educational resources. The site has a variety of interactive learning modules. It also has a "bread crumb structure" that assists students in moving away from the cartoon-like style used in Understanding Evolution and onto elements of this vast website that are closely connected to the fields of research science. For instance an animation that introduces the idea of genetic inheritance connects to a page that focuses on John Endler's experiments with artificial selection with guppies from the native ponds of Trinidad.

The Evolution Library on this website is a vast multimedia library of resources that are associated to evolution. The contents are organized into curriculum-based paths that parallel the learning objectives outlined in the standards for biology. It contains seven videos designed specifically for classroom use, which can be streamed at no cost or purchased on DVD.

A variety of crucial questions remain in the midst of evolutionary biology, including what causes evolution to occur and the speed at which it occurs. This is particularly true for the evolution of humans which was a challenge to reconcile religious beliefs that humanity has a unique place in the creation and a soul, with the idea that innate physical traits were derived from apes.

There are a myriad of other ways in which evolution can occur, with natural selection as the most widely accepted theory. However scientists also study other types of evolution such as mutation, genetic drift, and sexual selection, among others.

While many scientific fields of study conflict with the literal interpretations of religious texts, the concept of evolution biology has been the subject of intense debate and resistance from religious fundamentalists. Certain religions have embraced their beliefs with evolutionary biology, while others haven't.