자유게시판

Evolution Site - Teaching About Evolution

Despite the best efforts of biology educators, misconceptions about evolution remain. People who have absorbed popular science myths often assume that biologists are saying they don't believe in evolution.

This rich website - companion to the PBS series - provides teachers with materials that support evolution education and avoids the kinds of myths that undermine it. It's organized in the "bread crumb" format to make navigation and orientation easier.

Definitions

Evolution is a complex and challenging subject to teach well. Many non-scientists are unable to grasp the concept and some scientists use a definition that confuses it. This is particularly applicable to discussions about the nature of the word.

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 simple and efficient manner. The site is a companion site to the show which first aired in 2001, but it is also an independent resource. The material is presented in a structured manner that makes it simpler to navigate and understand.

The site defines terms such as common ancestor and gradual process. These terms help to define the nature of evolution and its relationship to other scientific concepts. The website provides a summary of the way in which evolution has been tested. This information can be used to dispel the myths that have been engendered by the creationists.

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

Adaptation is the tendency of hereditary traits to become more suitable to their environment. This is due to natural selection. It occurs when organisms that have more adaptable traits are more likely survive and reproduce than those with less adapted characteristics.

Common ancestor: The latest common ancestor of 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 holds the information required for cell replication. The information is stored in sequences of nucleotides that are strung together to form long chains, referred to as chromosomes. Mutations are the cause of new genetic information in cells.

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

Origins

Species (groups of individuals that can interbreed) evolve through an array of natural changes in the traits of their offspring. These changes can be caused by many factors, such as natural selection, gene drift, and mixing of the gene pool. The evolution of new species can take thousands of years. Environmental circumstances, such as climate change or competition for food resources and habitat, can slow or accelerate the process.

The Evolution site follows the evolution of different animal and plant groups and focuses on major changes in each group's history. It also focuses on the human evolutionary roots which is particularly important for students to comprehend.

When Darwin wrote the Origin in 1859, only a handful of antediluvian human fossils had been discovered. The famous skullcap, with the bones associated with it were discovered in 1856 in the Little Feldhofer Grotto of Germany. It is now known as an early Homo neanderthalensis. It is unlikely that Darwin was aware of the skullcap, which was first published in 1858, a year after the publication of the first edition of The Origin.

While the site focuses on biology, 에볼루션게이밍 it offers a lot of information on geology and paleontology. The most impressive features of the website are a timeline of events that illustrate the way in which climatic and geological conditions have changed over time, as well as an outline of the distribution of some of the fossil groups featured on the site.

The site is a companion to a PBS TV series but it can also be used as a resource by teachers and students. The site is well-organized and offers clear links to the introductory content of Understanding Evolution (developed under the National Science Foundation's support) and the more specific features on the museum's website. These hyperlinks make it easy to transition from the cartoon style of Understanding Evolution pages into the more sophisticated realms of research science. There are links to John Endler’s experiments with guppies, which illustrate the importance of ecology in evolutionary theory.

Diversity

The evolution of life has resulted in a variety of plants, animals and insects. Paleobiology is the study of these creatures in their geological context and has numerous advantages over the modern observational and research methods of examining evolutionary phenomena. Paleobiology can examine not only the process and events that take place regularly or over time, but also the distribution and 무료 에볼루션 frequency of different species of animals in space throughout geological time.

The site is divided into several optional pathways to understanding evolution which include "Evolution 101," which takes the viewer on a liner path through the nature of science and the evidence supporting the theory of evolution. The path also examines myths about evolution, and also the history of evolutionary thinking.

Each of the main sections on the Evolution website is equally well-designed, with materials that support a variety educational levels and teaching styles. The site offers a wide array of interactive and multimedia resources which include videos, animations, 에볼루션카지노 and virtual labs as well as general textual content. The breadcrumb-like structure of the content aids in navigation and orientation on the massive Web site.

For example the page "Coral Reef Connections" provides an overview of coral relationships and their interactions with other organisms, then zooms in on a single clam that is able to communicate with its neighbors and respond to changes in water conditions that occur at the reef level. This page, along with the other multidisciplinary, multimedia and interactive pages on the site, offer an excellent introduction to a broad spectrum of topics in evolutionary biology. The content also includes a discussion of the role of natural selection and the concept of phylogenetic analysis which is an important method to understand evolutionary changes.

Evolutionary Theory

Evolution is a common thread that is found throughout all branches of biology. A rich collection of resources can help 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 broadness in terms of educational resources. The site has a variety of interactive learning modules. It also has an embedded "bread crumb" structure that helps students move from the cartoon-like style of Understanding Evolution to elements on this large Web site more closely linked to the field of research science. For example an animation that explains the concept of genetic inheritance links to a page that highlights John Endler's experiments in artificial selection with guppies in native ponds of Trinidad.

The Evolution Library on this website has a huge multimedia library of materials that deal to evolution. The content is organized according to curriculum-based pathways that correspond to the learning objectives set out in the biology standards. It contains seven short videos that are intended for use in the classroom. They can be streamed or purchased as DVDs.

A variety of crucial questions remain at the core of evolutionary biology, such as what causes evolution to occur and the speed at which it occurs. This is especially true for human evolution, where it has been difficult to reconcile the notion that the physical traits of humans derived from apes with religious beliefs that claim that humans are unique in the universe and has a special place in creation with soul.

There are a variety of other ways in which evolution can take place and natural selection being the most popular theory. However, 에볼루션 코리아 scientists also study other kinds of evolution, such as mutation, genetic drift and sexual selection, among others.

Although many scientific fields of study have a conflict with literal interpretations in religious texts, the concept of evolution biology has been a subject of intense controversy and opposition from religious fundamentalists. Certain religions have embraced their beliefs with evolution, 에볼루션 while others haven't.