Found 39 resources for the concept:
Natural selection acts on the variation that exists in a population. (LS4.B, LS4.C)
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.
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.
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.
Clipbirds
Grade Level(s):
- 6-8
- 9-12
Source:
- UC Museum of Paleontology
Resource type:
- Classroom activity
Time: One class period
Overview
Students learn about variation, reproductive isolation, natural selection, and adaptation through this version of the bird beak activity.
Color variation over time in rock pocket mouse populations
Grade Level(s):
- 9-12
Source:
- Howard Hughes Medical Institute
Resource type:
- Classroom activity
Time: 50 minutes
Overview
Students watch a short film and complete a worksheet and graphing exercise that reinforces the concepts of variation and natural selection.
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: 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: Climate change causes loss of genetic diversity
Grade Level(s):
- 9-12
- 13-16
Source:
- UC Museum of Paleontology
Resource type:
- Evo in the News article
Time: 20 minutes
Overview
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.
Evo in the news: Coping with climate change
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 2009 explores the difference between phenotypic plasticity and evolutionary change in relation to the media's coverage of climate change.
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: 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: 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 and E. coli: Natural selection in a constant environment
Grade Level(s):
- 9-12
Source:
- BiteScis
Resource type:
- Classroom activity
Time: Two to three 50-minute class periods
Overview
In this reading-, writing-, and discussion-based activity, students explore bacterial evolution occurring in a stable environment, which counters the intuitive misconception that environmental change is a necessary component to natural selection. A landmark study provides the backdrop against which students can challenge their thinking about what it means for a population to evolve.
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.
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.
Mantis shrimp shoulder their evolutionary baggage and bluff
Grade Level(s):
- 6-8
- 9-12
- 13-16
- General
- Student
Source:
- UC Museum of Paleontology
Resource type:
- Article
Time: 30 minutes
Overview
Like all organisms, mantis shrimp carry baggage from their evolutionary history. Find out how this baggage has coaxed them into a deadly bluffing game.
Mecanismos: Los procesos de la evolución
Grade Level(s):
- 9-12
- General
Source:
- UC Museum of Paleontology
Resource type:
- Tutorial
Time: Varies
Overview
Aprende sobre los procesos básicos que han moldeado la vida y producido su asombrosa diversidad.
Este artículo se encuentra en Evolución 101.
Mechanisms of evolution
Grade Level(s):
- 9-12
- General
Source:
- UC Museum of Paleontology
Resource type:
- Tutorial
Time: Varies
Overview
Learn about the basic processes that have shaped life and produced its amazing diversity.
This article is located within Evolution 101.
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 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.
Natural selection: The basics
Grade Level(s):
- 9-12
- General
Source:
- UC Museum of Paleontology
Resource type:
- Tutorial
Time: 30-40 minutes
Overview
Darwin's most famous idea, natural selection, explains much of the diversity of life. Learn how it works, explore examples, and find out how to avoid misconceptions.
This article is located within Evolution 101.
Origami Birds
Grade Level(s):
- 9-12
Source:
- ENSI
Resource type:
- Classroom activity
Time: Three to four class periods
Overview
Students build and evolve and modify paper-and-straw "birds" to simulate natural selection acting on random mutations.
Relevance of evolution: Agriculture
Grade Level(s):
- 9-12
- General
Source:
- UC Museum of Paleontology
Resource type:
- Article
Time: 20-30 minutes
Overview
Explore just a few of the many cases in which evolutionary theory helps us secure and improve the world's crops. Genetic diversity, disease resistance and pest control are highlighted.
Relevance of evolution: Medicine
Grade Level(s):
- 9-12
- General
Source:
- UC Museum of Paleontology
Resource type:
- Article
Time: 30-40 minutes
Overview
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.
Selección natural
Grade Level(s):
- 9-12
- General
Source:
- UC Museum of Paleontology
Resource type:
- Tutorial
Time: 30-40 minutes
Overview
La idea más famosa de Darwin, “La selección Natural”, explica la gran diversidad de la vida. Aprende cómo funciona, explora algunos ejemplos, y descubre cómo evitar falsas ideas.
Este artículo se encuentra en Evolución 101.
Selection and evolution with a deck of cards
Grade Level(s):
- 9-12
- 13-16
Source:
- Evolution: Education and Outreach
Resource type:
- Classroom activity
Time: 1-2 class periods
Overview
This classroom exercise introduces the concept of evolution by natural selection in a hypothesis-driven, experimental fashion, using a deck of cards.
Spoons, forks, chopsticks, straws: Simulating natural selection
Grade Level(s):
- 6-8
- 9-12
- 13-16
Source:
- Kathryn Flinn
Resource type:
- Classroom activity
Time: 50 minutes
Overview
In this classroom activity, students participate in demonstrating how natural selection works. They play the roles of predators with different feeding appendages (spoons, forks, chopsticks, or straws) and compete to gather beans as prey.
Testing a hypothesis
Grade Level(s):
- 9-12
Source:
- Howard Hughes Medical Institute
Resource type:
- Classroom activity
Time: 50 minutes
Overview
Students watch a short film about natural selection in humans and answer questions on a worksheet that reinforce the evolutionary story behind malaria and sickle cell anemia prevalence.
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 Evolution Lab
Grade Level(s):
- 9-12
Source:
- NOVA Labs
Resource type:
- Lab activity
Time: 3 hours
Overview
The Evolution Lab contains two main parts. In the first, students build phylogenetic trees themed around the evidence of evolution, including fossils, biogeography, and similarities in DNA. In the second, students explore an interactive tree of life and trace the shared ancestry of numerous species.
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.
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.
Using trees to understand plants: The work of Chelsea Specht
Grade Level(s):
- 9-12
- 13-16
- General
Source:
- UC Museum of Paleontology
Resource type:
- Research profile
Time: 30 minutes
Overview
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.
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.