Found 36 resources for:
variation
Adaptation to altitude
Grade Level(s):
- 9-12
- 13-16
Source:
- Smithsonian National Museum of Natural History
Resource type:
- Classroom activity
Time: Eight 50-minute class periods
Overview
In this set of sequenced lessons, students learn how to devise an experiment to test the difference between acclimation and adaptation; investigate how scientific arguments show support for natural selection in Tibetans; design an investigation using a simulation based on the Hardy-Weinberg principle to explore mechanisms of evolution; and devise a test for whether other groups of people have adapted to living at high altitudes.
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Aloha, spider style! The work of Rosemary Gillespie
Grade Level(s):
- 9-12
- 13-16
- General
Source:
- UC Museum of Paleontology
Resource type:
- Research profile
Time: one class period
Overview
This research profile follows Dr. Rosemary Gillespie to Hawaii as she evaluates hypotheses about the evolution of the colorful happy-face spider.
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Candy Dish Selection
Grade Level(s):
- 9-12
- 13-16
Source:
- Tang, Carol
Resource type:
- Classroom activity
Time: 30 minutes
Classification and Evolution
Grade Level(s):
- 9-12
- 13-16
Source:
- Gendron, Robert
Resource type:
- Lab activity
Time: Two class periods.
Overview
Students construct an evolutionary tree of imaginary animals (Caminalcules) to illustrate how modern classification schemes attempt to reflect evolutionary history.
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Evo in the News: “Error. Greed does not compute.”
Grade Level(s):
- 9-12
- 13-16
- Advanced
- General
Source:
- UC Museum of Paleontology
Resource type:
- Evo in the News article
Time: 10 minutes
Overview
This news brief from May 2011 describes how researchers are using tiny robots to study the evolution of altruistic behaviors.
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Evo in the news: A chink in HIV’s evolutionary armor
Grade Level(s):
- 9-12
- 13-16
- General
Source:
- UC Museum of Paleontology
Resource type:
- Evo in the News article
Time: 20 minutes
Overview
Medical researchers have spent billions of dollars and many decades trying to develop an HIV vaccine but have, thus far, failed. Why is an HIV vaccine so elusive? This news brief from March 2007 explains how HIV's rapid rate of evolution challenges medicine and describes a new discovery that may allow vaccine developers to sidestep that evolution.
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Evo in the news: Another perspective on cancer
Grade Level(s):
- 9-12
- 13-16
- General
Source:
- UC Museum of Paleontology
Resource type:
- Evo in the News article
Time: 20 minutes
Overview
This news brief, from October of 2007, describes the evolutionary underpinnings of cancer. Recognizing cancer as a form of cellular evolution helps explain why a cure remains elusive and points the way toward new treatments.
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Evo in the news: Cheating cheetahs prosper
Grade Level(s):
- 9-12
- 13-16
- General
Source:
- UC Museum of Paleontology
Resource type:
- Evo in the News article
Time: 15 minutes
Overview
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.
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Evo in the news: Evolution at the scene of the crime
Grade Level(s):
- 9-12
- 13-16
- General
Source:
- UC Museum of Paleontology
Resource type:
- Evo in the News article
Time: 15 minutes
Overview
This news brief, from March 2006, describes how DNA fingerprinting is being used to prosecute and exonerate the accused. DNA fingerprinting relies on the processes of mutation and genome evolution.
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Evo in the news: Evolution down under
Grade Level(s):
- 9-12
- 13-16
- General
Source:
- UC Museum of Paleontology
Resource type:
- Evo in the News article
Time: 20 minutes
Overview
This news brief, from September of 2008, describes an unusual contagious cancer currently decimating Tasmanian devil populations. Learn about the fascinating interplay between the evolution of the devils and the evolution of the disease.
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Evo in the news: Genealogy enthusiasts mine DNA for clues to evolutionary history
Grade Level(s):
- 9-12
- 13-16
- Advanced
- General
Source:
- UC Museum of Paleontology
Resource type:
- Evo in the News article
Time: 15 minutes
Overview
This news brief, from November 2007, turns an evolutionary lens on businesses that use DNA for genealogy research and, in the process, illuminates what their genetic tests really track.
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Evo in the news: Genetic variation helps rescue endangered panthers
Grade Level(s):
- 9-12
- 13-16
- General
Source:
- UC Museum of Paleontology
Resource type:
- Evo in the News article
Time: 10 minutes
Overview
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.
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Evo in the news: Ghosts of epidemics past
Grade Level(s):
- 9-12
- 13-16
- General
Source:
- UC Museum of Paleontology
Resource type:
- Evo in the News article
Time: 20 minutes
Overview
HIV and malaria both constitute global health threats, respectively affecting more than 30 million and 200 million people worldwide. This news brief from October 2008 describes new research that reveals an unexpected evolutionary link between the two.
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Evo in the news: Got lactase?
Grade Level(s):
- 9-12
- 13-16
- Advanced
- General
Source:
- UC Museum of Paleontology
Resource type:
- Evo in the News article
Time: 20 minutes
Overview
The ability to digest milk is a recent evolutionary innovation that has spread through some human populations. This news brief from April 2007 describes how evolution has allowed different human populations to take advantage of the nutritional possibilities of dairying and links evolution with the prevalence of lactose tolerance among people of different ethnicities.
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Evo in the news: Livestock kick a drug habit
Grade Level(s):
- 9-12
- 13-16
- General
Source:
- UC Museum of Paleontology
Resource type:
- Evo in the News article
Time: 10 minutes
Overview
This news brief, from September of 2005, describes the FDA ban on the use of the antibiotic Baytril in poultry production. The decision was made in order to reduce the danger presented by the evolution of antibiotic resistant bacteria.
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Evo in the news: Musseling in on evolution
Grade Level(s):
- 9-12
- 13-16
- General
Source:
- UC Museum of Paleontology
Resource type:
- Evo in the News article
Time: 15 minutes
Overview
This news brief, from September 2006, reviews a recent case of evolution in action. In just 15 years, mussels have evolved in response to an invasive crab species. Find out how biologists uncovered this example of evolution on double time.
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Evo in the news: Quick evolution leads to quiet crickets
Grade Level(s):
- 9-12
- 13-16
- General
Source:
- UC Museum of Paleontology
Resource type:
- Evo in the News article
Time: 20 minutes
Overview
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.
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Evo in the news: Seeing the tree for the twigs
Grade Level(s):
- 9-12
- 13-16
- Advanced
- General
Source:
- UC Museum of Paleontology
Resource type:
- Evo in the News article
Time: 15 minutes
Overview
Recent research has revealed that, in at least some ways, chimpanzees have evolved more than humans have. This news brief from May 2007 delves into this finding further and, in the process, debunks common misperceptions of human evolution.
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Evo in the news: Sex, speciation, and fishy physics
Grade Level(s):
- 9-12
- 13-16
- Advanced
- General
Source:
- UC Museum of Paleontology
Resource type:
- Evo in the News article
Time: 20 minutes
Overview
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.
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Evo in the news: Superbug, super-fast evolution
Grade Level(s):
- 9-12
- 13-16
- General
Source:
- UC Museum of Paleontology
Resource type:
- Evo in the News article
Time: 20 minutes
Overview
Methicillin-resistant staph infections now contribute to more US deaths than does HIV. This news brief from April of 2008 explains the quirks of bacterial evolution that make them such a threat.
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Evo in the news: The other green (r)evolution
Grade Level(s):
- 9-12
- 13-16
- General
Source:
- UC Museum of Paleontology
Resource type:
- Evo in the News article
Time: 20 minutes
Overview
Though corn is "all-natural" in some ways, in others it is entirely manmade. This news brief from February 2007 explains the evolutionary tools that ancient humans used to engineer modern corn and the tools that scientists are using today to reconstruct corn's evolutionary history.
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Evo in the news: Toxic river means rapid evolution for one fish species
Grade Level(s):
- 9-12
- 13-16
- General
Source:
- UC Museum of Paleontology
Resource type:
- Evo in the News article
Time: 10 minutes
Overview
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?
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Evo in the news: Warming to evolution
Grade Level(s):
- 9-12
- 13-16
- General
Source:
- UC Museum of Paleontology
Resource type:
- Evo in the News article
Time: 15 minutes
Overview
Global warming increasingly affects many aspects of our environment, from the sea level to tropical storm strength. But that's far from the full story. This news brief from July 2006 describes how global warming has already begun to affect the evolution of several species on Earth.
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Evolución 101
Grade Level(s):
- 9-12
- 13-16
- General
Source:
- UC Museum of Paleontology
Resource type:
- Article
Overview
¿Qué es la evolución y cómo funciona? Introducción a la evolución ofrece información detallada y práctica sobre los patrones y los mecanismos de la evolución.
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Evolution connection: DNA replication
Grade Level(s):
- 13-16
Source:
- UC Museum of Paleontology
Resource type:
Time: 5 minutes
Overview
This short slide set explains the fidelity of DNA replication in evolutionary terms. Save the slide set to your computer to view the explanation and notes that go along with each slide.
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High altitude adaptations: The work of Emilia Huerta-Sánchez
Grade Level(s):
- 13-16
- Advanced
Source:
- UC Museum of Paleontology
Resource type:
- Research profile
Time: 30 minutes
Overview
This research profile follows statistician and population geneticist Emilia Huerta-Sánchez as she studies the adaptations that allow Tibetan highlanders to live 13,000 feet above sea level without developing altitude sickness.
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Investigating Natural Selection
Grade Level(s):
- 9-12
- 13-16
Source:
- National Academy of Sciences
Resource type:
- Classroom activity
Time: Three class periods
Overview
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?
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Mouse fur color
Grade Level(s):
- 13-16
Source:
- Evo-Ed
Resource type:
- Case study
Time: One to two class periods
Overview
This case study in the form of a set of PowerPoint slides examines the evolution of light fur in beach mice from the molecular level up to the population genetics level.
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Parsimonious explanations for punctuated patterns
Grade Level(s):
- 9-12
- 13-16
- General
Source:
- Evolution: Education and Outreach
Resource type:
- Article
Time: 40 minutes
Overview
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.
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Pea taste
Grade Level(s):
- 13-16
Source:
- Evo-Ed
Resource type:
- Case study
Time: One to two class periods
Overview
This case study in the form of a set of PowerPoint slides examines the evolution of the wrinkled pea from its ancestral round pea shape.
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Sexo, especiación y física subacuática
Grade Level(s):
- 9-12
- 13-16
- Advanced
- General
Source:
- UC Museum of Paleontology
Resource type:
- Evo in the News article
Time: 20 minutes
Overview
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...
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The causes of mutation with Molly Przeworski and Felix Wu
Grade Level(s):
- 13-16
- Advanced
Source:
- UC Museum of Paleontology
Resource type:
- Classroom activity
Time: 1.5 hours
Overview
In this article (and the linked assignments and student readings), students examine and interpret data that Molly and Felix used to study the causes of mutations that matter most for evolution. Use the tabs at the bottom of the feature to find related videos, assignments, and lessons to build this example into a lesson sequence on mutation.
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The Making of the Fittest: The Birth and Death of Genes
Grade Level(s):
- 6-8
- 9-12
- 13-16
- Student
Source:
- Howard Hughes Medical Institute
Resource type:
- Video
Time: 15-20 minutes
Overview
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.
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The Natural Selection Game
Grade Level(s):
- 9-12
- 13-16
Source:
- Gendron, Robert
Resource type:
- Classroom activity
Time: 1 to 2 class periods
Overview
This is a board game that simulates natural selection. It is suitable for an introductory biology class and for more advanced classes where you could go into more detail on important principles such as the role of variation and mutation.
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Toxin resistance in clams
Grade Level(s):
- 13-16
Source:
- Evo-Ed
Resource type:
- Case study
Time: 1 to 2 class periods
Overview
This case study in the form of a set of PowerPoint slides examines the evolution of toxin resistance in clams.
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Variability and Selection in Natural Populations of Wood Lice
Grade Level(s):
- 9-12
- 13-16
Source:
- Berkelhamer, Rudi
Resource type:
- Lab activity
Time: 3-hour lab
Overview
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.
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