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Found 28 resources for the concept: There is variation within a population

imageAlike but Not the Same
Students conduct a classwide inventory of human traits, construct histograms of the data they collect, and play a brief game that introduces students to major concepts related to human genetic variation and the notion of each individual's uniqueness.

Audience: 9-12

Source: National Institutes of Health

Resource type: Classroom activity

imageRelevance of evolution: Conservation
Explore just a few of the many cases in which evolutionary theory helps us form conservation strategies.

Audience: 9-12

Source: UC Museum of Paleontology

Resource type: Article

imageInterview: Douglas Futuyma on natural selection
This interview with one of the most influential evolutionary biologists of today addresses many aspects of natural selection: how it works, examples, misconceptions, and implications.
This article appears at ActionBioscience.org.

Audience: 9-12

Source: ActionBioscience.org

Resource type: Interview with Scientist

imageMechanisms of evolution
Learn about the basic processes that have shaped life and produced its amazing diversity.
This article is located within Evolution 101.

Audience: 9-12

Source: UC Museum of Paleontology

Resource type: Tutorial

imageRelevance of evolution: Medicine
Explore just a few of the many cases in which evolutionary theory helps us understand and treat disease. Bacterial infections, HIV, and Huntington's disease are highlighted.

Audience: 9-12

Source: UC Museum of Paleontology

Resource type: Article

imageBreeding Bunnies
Students simulate breeding bunnies to show the impact that genetics can have on the evolution of a population of organisms.

Audience: 9-12

Source: WGBH

Resource type: Classroom activity

imageInvestigating Natural Selection
Students experience one mechanism for evolution through a simulation that models the principles of natural selection and helps answer the question: How might biological change have occurred and been reinforced over time?

Audience: 9-12

Source: National Academy of Sciences

Resource type: Classroom activity

imageCandy Dish Selection
Students find that selection occurs in a dish of mixed candies.

Audience: 9-12

Source: Tang, Carol

Resource type: Classroom activity

imageEvolution and Antibiotic Resistance
Students learn why evolution is at the heart of a world health threat by investigating the increasing problem of antibiotic resistance in such menacing diseases as tuberculosis.

Audience: 9-12

Source: WGBH

Resource type: Classroom activity

imageEvo in the news: Fighting the evolution of malaria in Cambodia
This news brief from December 2009 focuses on one of the world’s most deadly infectious diseases: malaria. Malaria is normally treatable, but now some strains are evolving resistance to our most effective drug. Find out how researchers and doctors are trying to control the evolution of the disease.

Audience: 9-12

Source: UC Museum of Paleontology

Resource type: Evo in the News article

imageEvo in the news: Quick evolution leads to quiet crickets
The tropical island of Kauai has always been a quiet place, but now it may be getting even more quiet. This news brief, from December 2006, reveals how Kauai's cricket population has evolved into a "chirpless" variety in just a few years.

Audience: 9-12

Source: UC Museum of Paleontology

Resource type: Evo in the News article

imageEvo in the news: Cheating cheetahs prosper
Biologists have discovered that female cheetahs consistently seek out multiple mates. This news brief, from July 2007, explains how the evolutionary implications of this behavior may help conservation efforts targeting these endangered animals.

Audience: 9-12

Source: UC Museum of Paleontology

Resource type: Evo in the News article

imageEvo in the news: Evolution from a virus's view
This news brief from December 2007 describes a new virulent strain of the common cold and examines how and why virulence evolves.

Audience: 9-12

Source: UC Museum of Paleontology

Resource type: Evo in the News article

imageEvo in the news: Making sense of ancient hominin DNA
In March 2010 German researchers announced that they had managed to extract DNA from the 40,000 year old fossil bone from a child discovered in a Siberian cave and that it didn't match up to the known genetic sequences of either humans or Neanderthals! This news brief examines the evidence in more detail and considers what that evidence might — or might not — mean about such claims.

Audience: 9-12

Source: UC Museum of Paleontology

Resource type: Evo in the News article

imageEvo in the news: Bed bugs bite back thanks to evolution
This news brief of September 2010 examines the resurgence of bed bugs throughout the country, and the real bad news is that those bed bugs have evolved resistance to the chemicals most commonly used for eradication.

Audience: 9-12

Source: UC Museum of Paleontology

Resource type: Evo in the News article

imageEvo in the news: Genetic variation helps rescue endangered panthers
In the 1990s, scientists predicted that the Florida panther would be extinct within 20 years and, in 1995, formulated a bold plan to save them. This news brief of December 2010 reports on the success of that plan which gave the panther a second lease on life by the infusion of genetic variation.

Audience: 9-12

Source: UC Museum of Paleontology

Resource type: Evo in the News article

imageEvo in the news: Toxic river means rapid evolution for one fish species
This news brief from March 2011 examines the genetic basis for the evolution of resistance to PCBs in the Hudson River tomcod. Though this is great for the tomcod, what might it mean for other organisms in the ecosystem?

Audience: 9-12

Source: UC Museum of Paleontology

Resource type: Evo in the News article

imageAngling for evolutionary answers: The work of David O. Conover
Human activity has certainly affected our physical environment - but it is also changing the course of evolution. This research profile follows scientist David O. Conover as he investigates the impact of our fishing practices on fish evolution and discovers what happened to the big ones that got away.

Audience: 9-12

Source: UC Museum of Paleontology

Resource type: Research profile

imageNames, they are a-changing
The popular press often describes scientific controversies regarding which species ancient hominin fossils represent and how they are related to one another. How should students interpret the frequent name changes experienced by our extinct relatives? What should they make of headlines that trumpet major revisions of the branching patterns on our limb of the tree of life? This article will help teachers develop instruction surrounding these issues, discourage misconceptions, and help students interpret media coverage in light of the process of science.
This article appears at SpringerLink.

Audience: 9-12

Source: Evolution: Education and Outreach

Resource type: Article

imageVariability and Selection in Natural Populations of Wood Lice
In this lab, students measure the amount of variation in a natural population of terrestrial wood lice and then determine which traits are subject to selection by predators by performing a simulated predation experiment.

Audience: 9-12

Source: Berkelhamer, Rudi

Resource type: Lab activity

imageThe Making of the Fittest: Natural Selection in Humans
This 14-minute film describes the connection between the infectious parasitic disease malaria and the genetic disease sickle cell anemia - one of the best-understood examples of natural selection in humans.

Audience: 9-12

Source: Howard Hughes Medical Institute

Resource type: Video

imageThe Meaning of Genetic Variation
Students investigate variation in the beta globin gene by identifying base changes that do and do not alter function, and by using several internet-based resources to consider the significance in different environments of the base change associated with sickle cell disease.

Audience: 9-12

Source: National Institutes of Health

Resource type: Classroom activity

imageEvo in the News: Climate change causes loss of genetic diversity
This news brief, from April 2012, describes how climate change is affecting a population of chipmunks in Yosemite National Park. The chipmunks' loss of genetic variation may affect their ability to survive and their future evolutionary potential.

Audience: 9-12

Source: UC Museum of Paleontology

Resource type: Evo in the News article

imageLas chinches de cama pican de nuevo gracias a la evolución
Las chinches de cama puede parecer un viejo problema pasado de moda, sin embargo ahora están de vuelta — y con venganza. Hace cincuenta años, estas plagas chupadoras de sangre estaban casi erradicadas en los Estados Unidos gracias, en parte, al uso de pesticidas como el DDT. Hoy, se arrastran entre las sabanas — y atormentan a los desgraciados soñadores — en todo el país...

Audience: 9-12

Source: UC Museum of Paleontology

Resource type: Evo in the News article

imageClipbirds
Students learn about variation, reproductive isolation, natural selection, and adaptation through this version of the bird beak activity.

Audience: 9-12

Source: UC Museum of Paleontology

Resource type: Classroom activity

imageThe Making of the Fittest: Natural Selection and Adaption
This 10-minute film describes the research of Dr. Michael Nachman and colleagues, whose work in the field and in the lab has documented and quantified physical and genetic evolutionary changes in rock pocket mouse populations.

Audience: 9-12

Source: Howard Hughes Medical Institute

Resource type: Video

imageThe Making of the Fittest: The Birth and Death of Genes
This 13-minute film describes how scientists have pieced together the evolutionary history of the Antarctic icefish by studying its genome – an excellent case study for genetic evolution as both the gain and loss of genes have led to key adaptations.

Audience: 9-12

Source: Howard Hughes Medical Institute

Resource type: Video

imageEvo in the news: Antibiotic resistant bacteria at the meat counter
This news brief from May 2013 describes research showing that a large percentage of the meat in supermarkets is contaminated with antibiotic resistant bacteria. An evolutionary perspective explains how antibiotic resistance arises in the first place and why the prevalence of resistant bugs in livestock has health professionals and scientists worried.

Audience: 9-12

Source: UC Museum of Paleontology

Resource type: Evo in the News article

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