Found 46 resources for the concept:
Over time, the proportion of individuals with advantageous traits may increase (and the proportion with disadvantageous traits may decrease) due to their chances of surviving and reproducing.
Allele and phenotype frequencies in rock pocket mouse populations
Grade Level(s):
- 9-12
- 13-16
Source:
- Howard Hughes Medical Institute
Resource type:
- Classroom activity
Time: One or two class 50-minute periods
Overview
This video and worksheet use real rock pocket mouse data collected by Dr. Michael Nachman and his colleagues to illustrate the Hardy-Weinberg principle.
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.
Angling for evolutionary answers: The work of David O. Conover
Grade Level(s):
- 9-12
- 13-16
- General
Source:
- UC Museum of Paleontology
Resource type:
- Research profile
Time: 30 minutes
Overview
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.
Battling bacterial evolution: The work of Carl Bergstrom
Grade Level(s):
- 9-12
- 13-16
- General
Source:
- UC Museum of Paleontology
Resource type:
- Research profile
Time: 30-40 minutes
Overview
This research profile examines how the scientist Carl Bergstrom uses computer modeling to understand and control the evolution of antibiotic resistant bacteria in hospitals.
Biological warfare and the coevolutionary arms race
Grade Level(s):
- 9-12
- 13-16
- Advanced
- General
Source:
- UC Museum of Paleontology
Resource type:
- Article
Time: 45 minutes
Overview
The rough-skinned newt looks harmless enough but is, in fact, packed full of one of the most potent neurotoxins known to man. Find out how an evolutionary arms race has pushed these mild-mannered critters to the extremes of toxicity and how evolutionary biologists have unraveled their fascinating story.
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.
Evo in the News: Acidic oceans prompt evolution
Grade Level(s):
- 13-16
- Advanced
Source:
- UC Museum of Paleontology
Resource type:
- Evo in the News article
Time: 30 minutes
Overview
This news brief, from October 2012, describes new research into the evolutionary response that ocean acidification may prompt in some plankton species.
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.
Evo in the news: Antibiotic resistant bacteria at the meat counter
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 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.
Evo in the news: Bed bugs bite back thanks 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
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.
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.
Evo in the news: Evolution in the fast lane?
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
Have humans, with all of our technological advances, exempted ourselves from further evolution? Perhaps not. This news brief, from February 2008, examines genetic research which suggests that human evolution may haved actually accelerated in our recent history.
Evo in the news: Evolution’s dating and mating game
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 May of 2008 describes new research on octopus mating and reveals how evolution can favor some surprising courtship behaviors.
Evo in the news: Evolving altitude aptitude
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 October 2010 examines new research that makes it clear that Tibetan highlanders have not just acclimated to their mountain home; evolutionary adaptations have equipped them with unique physiological mechanisms for dealing with low oxygen levels.
Evo in the news: Gender-biased bacteria throw off an evolutionary balance
Grade Level(s):
- 13-16
- Advanced
Source:
- UC Museum of Paleontology
Resource type:
- Evo in the News article
Time: 10 minutes
Overview
The percentage of southwestern whiteflies infected with Rickettsia bacteria has skyrocketed; but this is not a boon for local farmers, as the bacterium actively helps the pest spread. This news brief examines how evolutionary theory accounts for this and how we might turn it in our favor.
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.
Evo in the News: Grasshoppers change their tune. Is it evolution in action?
Grade Level(s):
- 13-16
- Advanced
Source:
- UC Museum of Paleontology
Resource type:
- Evo in the News article
Time: 20 minutes
Overview
This news brief, from December 2012, describes new research into how traffic noise affects insect populations. Several hypotheses to explain the change in grasshoppers' songs are examined.
Evo in the news: Influenza, an ever-evolving target for vaccine development
Grade Level(s):
- 9-12
- 13-16
- General
Source:
- UC Museum of Paleontology
Resource type:
- Evo in the News article
Time: 20 minutes
Overview
Some vaccines provide lifelong protection with one or a few doses, but the flu requires a new shot every year. And in some years, the flu shot is hardly effective at all. Why is the flu vaccine different from so many other vaccines? This news brief from February 2013 provides the evolutionary explanation.
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.
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.
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.
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?
Evolution and Antibiotic Resistance
Grade Level(s):
- 9-12
- 13-16
Source:
- WGBH
Resource type:
- Classroom activity
Time: One to three class periods
Overview
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.
Evolution connection: Proteins, carbohydrates, and nucleic acids
Grade Level(s):
- 13-16
Source:
- UC Museum of Paleontology
Resource type:
Time: 5 minutes
Overview
This short slide set weaves basic information about carbohydrates, proteins, and nucleic acids into one evolutionary story regarding the evolution of lactose tolerance, which relates to students' everyday lives. Save the slide set to your computer to view the explanation and notes that go along with each slide.
Evolution connection: Transcription and translation
Grade Level(s):
- 13-16
Source:
- UC Museum of Paleontology
Resource type:
Time: 5 minutes
Overview
This short slide set relates the role of RNA in the processes of transcription and translation to RNA's evolutionary history and the remnants of the RNA world. Save the slide set to your computer to view the explanation and notes that go along with each slide.
Evolution of human skin color
Grade Level(s):
- 9-12
- 13-16
Source:
- Smithsonian National Museum of Natural History
Resource type:
- Classroom activity
Time: Seven to ten 50 minute class periods
Overview
Students examine evidence for the relationship between UV and melanin in other animals; investigate the genetic basis for constitutive skin color humans; learn to test for natural selection in mouse fur color; investigate how interactions between UV and skin color in humans can affect fitness; and explore data on migrations and gene frequency to show convergent evolution of skin color.
Eye Evolution
Grade Level(s):
- 13-16
Source:
- UC Museum of Paleontology
Resource type:
- Online activity or lab
Time: 45-60 minutes
Overview
This worksheet guides students through an interactive online module entitled Why the Eye? on the Understanding Evolution website. Students gain a better understanding of the different types of animal eyes and how natural selection can account for the evolution of a complex organ.
Fire ants invade and evolve
Grade Level(s):
- 9-12
- 13-16
- Advanced
- General
Source:
- UC Museum of Paleontology
Resource type:
- Article
Time: 40 minutes
Overview
Understanding the evolution of fire ants may help scientists control the spread of these pests, which have already taken over much of the U.S.
Gene switches
Grade Level(s):
- 13-16
Source:
- Howard Hughes Medical Institute
Resource type:
- Classroom activity
Time: Two 45-minute blocks
Overview
This lesson explains how genetic switches function and their role in the process of evolution through the use of clips from the HHMI DVD, Evolution: Constant Change and Common Threads, and the construction of a model. This activity can be done as a demonstration, a student inquiry activity, or a combination of the two.
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.
Inducing Evolution in Bean Beetles
Grade Level(s):
- 13-16
Source:
- Morehouse College and Emory University
Resource type:
- Lab activity
Time: Multi-week
Overview
In this lab, students design and conduct experiments to evaluate whether evolution by natural selection (or alternatively, genetic drift) may be induced in laboratory populations.
Juego evolutivo de citas y apareamiento
Grade Level(s):
- 9-12
- 13-16
- General
Source:
- UC Museum of Paleontology
Resource type:
- Evo in the News article
Time: 20 minutes
Overview
Largamente asumidos como solitarios, al menos una especie de pulpo lleva una compleja vida amorosa. El mes pasado, los biólogos Christine Huffard, Roy Caldwell y Farnis Boneka reportaron los resultados de los primeros estudios a largo plazo sobre el comportamiento de apareamiento de pulpos en la naturaleza...
Las chinches de cama pican de nuevo gracias a la evolución
Grade Level(s):
- 9-12
- 13-16
- General
Source:
- UC Museum of Paleontology
Resource type:
- Evo in the News article
Time: 15 minutes
Overview
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...
Malaria
Grade Level(s):
- 9-12
- 13-16
Source:
- Smithsonian National Museum of Natural History
Resource type:
- Classroom activity
Time: Seven 50-minute class periods
Overview
In this advanced 4-lesson curriculum unit, students examine evidence to compare four different explanations for why many malarial parasites are resistant to antimalarial drugs; investigate how scientific arguments using G6PD data show support for natural selection in humans; design an investigation using a simulation based on the Hardy-Weinberg principle to explore mechanisms of evolution; and apply their understanding to other alleles that have evolved in response to malaria.
Molecular genetics of color mutations in rock pocket mice
Grade Level(s):
- 13-16
Source:
- Howard Hughes Medical Institute
Resource type:
- Classroom activity
Time: 50 minutes
Overview
This lesson requires students to transcribe and translate portions of the wild-type and mutant rock pocket mouse Mc1r genes and compare sequences to identify the locations and types of mutations responsible for the coat color variation described in a short film.
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.
Natural Selection & Sexual Selection: An Illustrated Introduction
Grade Level(s):
- 6-8
- 9-12
- 13-16
- General
Source:
- Cornell Lab of Ornithology
Resource type:
- Video
Time: 15 minutes
Overview
This illustrated video explores how natural and sexual selection can shape the way animals look and act, sometimes transforming the drab into the magnificent. To access the associated multiple choice and open answer questions, you'll need to register with the site.
Natural selection and evolution of rock pocket mouse populations
Grade Level(s):
- 13-16
Source:
- Howard Hughes Medical Institute
Resource type:
- Classroom activity
Time: 50 minutes
Overview
This lesson serves as an extension to the Howard Hughes Medical Institute short film The Making of the Fittest: Natural Selection and Adaptation. It provides an opportunity for students to analyze amino acid data and draw conclusions about the evolution of coat-color phenotypes in the rock pocket mouse.
Natural selection from the gene up: The work of Elizabeth Dahlhoff and Nathan Rank
Grade Level(s):
- 9-12
- 13-16
- Advanced
Source:
- UC Museum of Paleontology
Resource type:
- Research profile
Time: 30 minutes
Overview
Find out how we investigate evolutionary adaptations by following two scientists and their team as they figure out how the willow leaf beetle survives in different climates.
Population genetics, selection, and evolution
Grade Level(s):
- 13-16
Source:
- Howard Hughes Medical Institute
Resource type:
- Classroom activity
Time: Two to three 50-minute class periods
Overview
This hands-on activity, used in conjunction with a short film, teaches students about population genetics, the Hardy-Weinberg principle, and how natural selection alters the frequency distribution of heritable traits. It
Problem-based discussion: Natural selection in Darwin’s finches
Grade Level(s):
- 13-16
Source:
- UC Museum of Paleontology
Resource type:
Time: 5-20 minutes
Overview
This set of two PowerPoint slides featuring questions for problem-based discussion (i.e., open-ended questions that engage students with each other and with course material) can be easily incorporated into lectures on natural selection.
Stickleback Evolution Virtual Lab
Grade Level(s):
- 9-12
- 13-16
Source:
- Howard Hughes Medical Institute
Resource type:
- Online activity or lab
Time: 3 hours
Overview
This virtual lab teaches skills of data collection and analysis to study evolutionary processes using stickleback fish and fossil specimens.
The Beetle Project: Investigating insects in a warming world
Grade Level(s):
- 9-12
- 13-16
Source:
- UC Museum of Paleontology
Resource type:
- Lab activity
Time: 30 min to 10 class periods
Overview
This adaptable instructional module uses insects as a model system to illustrate the biological impacts of climate change, with the goal of engaging students with a range of hands-on and minds-on activities that increase their understanding of how science works, evolutionary processes, and the impacts of climate change.
The Making of the Fittest: Natural Selection and Adaption
Grade Level(s):
- 6-8
- 9-12
- 13-16
- Student
Source:
- Howard Hughes Medical Institute
Resource type:
- Video
Time: 10 minutes
Overview
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.
The Making of the Fittest: Natural Selection in Humans
Grade Level(s):
- 9-12
- 13-16
- Student
Source:
- Howard Hughes Medical Institute
Resource type:
- Video
Time: 15-30 minutes
Overview
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.
Why the eye?
Grade Level(s):
- 13-16
- Advanced
- General
Source:
- UC Museum of Paleontology
Resource type:
- Article
Time: 30-45 min
Overview
Eyes are something of an icon of evolution. How did such an integrated, multi-part adaptation evolve? While many different animals have complex eyes, untangling their evolutionary history reveals both remarkable diversity and surprising similarity.