Lessons below address this concept: Traits that are advantageous often persist in a population.
Found 38 records.

Browse concepts for grades: K-2 | 3-5 | 6-8 | 9-12

 
Lesson Title (Description) Grade Level Lesson Type
Adaptation: The case of penguins
The process of natural selection produces stunning adaptations. Learn about the history of this concept, while you explore the incredible adaptations that penguins have evolved, allowing them to survive and reproduce in a climate that reaches -60°C!
This article appears at Visionlearning.
9-12 Article
Aloha - spider style!
This research profile follows Dr. Rosemary Gillespie to Hawaii as she evaluates hypotheses about the evolution of the colorful happy-face spider.
9-12 Article
Anolis Lizards
Students "take a trip" to the Greater Antilles to figure out how the Anolis lizards on the islands might have evolved.
9-12 Classroom activity
Battling bacterial evolution: The work of Carl Bergstrom
This research profile examines how the scientist Carl Bergstrom uses computer modeling to understand and control the evolution of antibiotic resistant bacteria in hospitals.
9-12 Article
Biological warfare and the coevolutionary arms race
The rough-skinned newt looks harmless enought 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.
9-12 Article
Breeding Bunnies
Students simulate breeding bunnies to show the impact that genetics can have on the evolution of a population of organisms.
9-12 Classroom activity
Candy Dish Selection
Students find that selection occurs in a dish of mixed candies.
9-12 Classroom activity
Clipbirds
Students learn about variation, reproductive isolation, natural selection, and adaptation through this version of the bird beak activity.
9-12 Classroom activity
Comic strip: Survival of the sneakiest
This comic follows the efforts of a male cricket as he tries to attract a mate, and in the process, debunks common myths about what it means to be evolutionarily "fit."
9-12 Comic
Connecting Population Growth and Biological Evolution
Students develop a model of the mathematical nature of population growth to consider the population growth of plant and animal species and the resulting pressure that contributes to natural selection.
9-12 Classroom activity
Evo in the news: A fish of a different color
This news brief, from February 2006, describes how a mutated zebrafish gene may help us understand human evolution and the genes underlying human skin color. Humans and zebrafish both inherited the same pigmentation gene from their common ancestor.
9-12 Article
Evo 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.
9-12 Article
Evo in the news: Conserving the kakapo
This news brief, from April 2006, chronicles how researchers are using evolutionary theory to guide their strategies for conserving a critically endangered parrot - with some impressive results!
9-12 Article
Evo in the news: Coping with climate change
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.
9-12 Article
Evo in the news: Evolution down under
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.
9-12 Article
Evo in the news: Evolution's dating and mating game
This news brief from May of 2008 describes new research on octopus mating and reveals how evolution can favor some surprising courtship behaviors.
9-12 Article
Evo in the news: Got lactase?
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.
9-12 Article
Evo in the news: Musseling in on evolution
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.
9-12 Article
Evo 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.
9-12 Article
Evo 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.
9-12 Article
Evo in the news: Warming to evolution
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.
9-12 Article
Evolution 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.
9-12 Classroom activity
Exploring Variation and Heritability
Students explore the natural variations present in a variety of organisms by examining sunflower seeds and Wisconsin Fast Plants™ to consider the role of heredity in natural selection.
9-12 Classroom activity
Fire ants invade and evolve
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.!
9-12 Article
Interactive investigation: The arthropod story
This interactive investigation delves into the amazing world of the arthropods and examines their success and their evolutionary constraints.
9-12 Web activity
Interview: 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.
9-12 Interview with Scientist
Interview: Geerat Vermeij on the fossil record
This interview with MacArthur Fellow and paleobiologist, Geerat Vermeij, covers much ground, including adaptations in the mollusks he studies, evolutionary arms races, punctuated equilibrium, extinctions, macroevolution, and the value of diversity.
9-12 Interview with Scientist
Investigating 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?
9-12 Classroom activity
Mantis shrimp shoulder their evolutionary baggage and bluff
Like all organisms, mantis shrimp carry baggage from their evolutionary history. Find out how this baggage has coaxed them into a deadly bluffing game.
9-12 Article
Mechanisms of evolution
Learn about the basic processes that have shaped life and produced its amazing diversity.
This article is located within Evolution 101.
9-12 Tutorial
Monarch/Viceroy Case
Students work in groups to develop a Darwinian explanation for the bright coloration of monarch and viceroy butterflies and the similarity in color patterns seen between the two species.
9-12 Classroom activity
Natural selection: The basics
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.
9-12 Tutorial
Origami Birds
Students build and evolve and modify paper-and-straw “birds” to simulate natural selection acting on random mutations.
9-12 Classroom activity
Relevance 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.
9-12 Article
Similarities and differences: Understanding homology and analogy
This interactive investigation explains what homologies and analogies are, how to recognize them, and how they evolve.
9-12 Tutorial
The 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.
9-12 Classroom activity
Using 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.
9-12 Article
Webcast: Endless forms most beautiful
In lecture one of a four part series, evolutionary biologist Sean Carroll discusses Darwin and his two most important ideas: natural selection and common ancestry.
This lecture is available from Howard Hughes' BioInteractive website.
9-12 Lecture
 


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