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Found 18 resources for the concept: Occupying new environments can provide new selection pressures and new opportunities, leading to speciation

imageDarwin's Great Voyage of Discovery
Students learn about Darwin's voyage on the Beagle by reading excerpts from his letters and journals and mapping his route.

Audience: 9-12

Source: WGBH

Resource type: Article

imageInterview: Anthony Barnosky on climate change and mammal evolution
UC Berkeley Professor Anthony Barnosky gives the inside scoop on how climate change has affected past speciation of mammals and how it may affect biodiversity in the future.
This article appears at ActionBioscience.org.

Audience: 9-12

Source: ActionBioscience.org

Resource type: Interview with Scientist

imageParasites and pathogens take the leap
Diseases like SARS, HIV, and West Nile Virus may be new to humans, but they are old news to other species. These and other emerging infectious diseases have recently added humans to the list of hosts they infect. An evolutionary perspective can help us better understand and, we hope, control this problem.
This article appears at SpringerLink.

Audience: 9-12

Source: Evolution: Education and Outreach

Resource type: Article

imageSpecies, speciation and the environment
Niles Eldredge gives a historical overview of scientists' thinking on the process of speciation, along with modern perspectives on this issue.
This article appears at ActionBioscience.org.

Audience: 9-12

Source: ActionBioscience.org

Resource type: Article

imageSpeciation: The basics
Figuring out what species are is not as easy as one might think. Find out how biologists define species and how new species evolve.
This article is located within Evolution 101.

Audience: 9-12

Source: UC Museum of Paleontology

Resource type: Tutorial

imageAnolis Lizards
Students "take a trip" to the Greater Antilles to figure out how the Anolis lizards on the islands might have evolved.

Audience: 9-12

Source: Collins, Jennifer

Resource type: Lab activity

imageEvo in the news: Speciation in real time
We often think of speciation as a slow process—so slow that we can’t really observe it going on around us. This news brief from Febrary 2010 describes two examples which demonstrate that, at least occasionally, important steps toward speciation can be observed in less than 50 years.

Audience: 9-12

Source: UC Museum of Paleontology

Resource type: Evo in the News article

imageEvo in the news: Evolving conservation strategies
This news brief, from June 2007, explains how biologists are using evolutionary theory to protect the biodiversity that exists today and that may evolve tomorrow.

Audience: 9-12

Source: UC Museum of Paleontology

Resource type: Evo in the News article

imageEvo in the news: Happy 200th, Darwin!
This news brief, from February 2009, celebrates Darwin's bicentennial by examining what we've learned about the evolution of the Galapagos finches since Darwin's time.

Audience: 9-12

Source: UC Museum of Paleontology

Resource type: Evo in the News article

imageEvo in the news: Sex, speciation, and fishy physics
More than 500 species of cichlid fish inhabit Africa's Lake Victoria. This news brief from March 2009 explains new research suggesting that the physics of light may have played an important role in cichlid diversification and in the recent drop in their diversity.

Audience: 9-12

Source: UC Museum of Paleontology

Resource type: Evo in the News article

imageIsland biogeography and evolution: Solving a phylogenetic puzzle using molecular genetics
Students focus on the evolution of three species of lizards using real data sets — geographical and geological data, then morphology, and finally molecular data — to determine possible phylogenetic explanations.

Audience: 9-12

Source: Filson, R.P.

Resource type: Lab activity

imageA Step in Speciation
Students compare different subspecies of a California salamander on a grid map of California to focus on patterns of their distribution, their likely evolutionary relationships, and probable sequence of formation from the ancestral salamander.

Audience: 9-12

Source: ENSI

Resource type: Lab activity

imageUsing trees to understand plants: The work of Chelsea Specht
This research profile follows scientist Chelsea Specht as she pieces together the evolutionary history of tropical plants and their pollinators--and in the process, tries to figure out how to conserve endangered species.

Audience: 9-12

Source: UC Museum of Paleontology

Resource type: Research profile

imageParsimonious explanations for punctuated patterns
Punctuated equilibrium is sometimes erroneously cited as evidence that evolutionary biology still hasn't figured out how evolution works. In fact nothing could be further from the truth. Punctuated equilibrium builds on (not tears down!) established evolutionary theory. Find out how the process works.
This article appears at SpringerLink.

Audience: 9-12

Source: Evolution: Education and Outreach

Resource type: Article

imageWebcast: Selection in action
In lecture two of a four part series, evolutionary biologist David Kingsley discusses how just a few small genetic changes can have a big effect on morphology, using examples from maize, dog breeding, and stickleback fish.
This lecture is available from Howard Hughes' BioInteractive website.

Audience: 9-12

Source: Howard Hughes Medical Institute

Resource type: Video Lecture

image¡Feliz cumpleaños número 200, Darwin!
Este 12 de febrero se cumplirían 200 años del nacimiento de Charles Darwin, y todo el mundo esta invitado a la fiesta. Numerosos grupos alrededor del mundo — desde niños en las escuelas primarias, hasta museos e iglesias — celebraran la ciencia de la evolución con conferencias públicas, clases, obras teatrales, exhibiciones artísticas y muchísimas galletas con forma de tortugas. 'Evolución en las noticias' de este mes contribuye a la celebración mediante la revisión de un tema cercano y querido por Darwin: los pinzones de Galápagos...

Audience: 9-12

Source: UC Museum of Paleontology

Resource type: Evo in the News article

imageSexo, especiación y física subacuática
Evolución en las noticias relata una reciente historia que señala como comprender física básica puede revelar como la evolución esta ocurriendo hoy — en especial, como la física de la luz tiene influencia sobre la selección sexual, especiación y el colapso de la biodiversidad, producto de la polución causada por los humanos...

Audience: 9-12

Source: UC Museum of Paleontology

Resource type: Evo in the News article

imageEspeciación en tiempo real
Generalmente, pensamos en la especiación como un proceso lento. Toda la evidencia disponible sostiene la idea de que diferentes especies evolucionaron desde ancestros comunes, y sin embargo, nuevas especies no aparecen a nuestro alrededor diariamente. Para muchos biólogos, esto implica que la especiación ocurre tan lentamente que es difícil observarla en escalas de tiempo humanas. Sin embargo, nuevas investigaciones sugieren que la especiación podria ser más fácil de observar de lo que pensamos.

Audience: 9-12

Source: UC Museum of Paleontology

Resource type: Evo in the News article

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