Lessons below address this concept: Natural selection acts on individuals and populations in a nonrandom way.
Found 20 records.

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

 
Lesson Title (Description) Grade Level Lesson Type
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
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
Evo in the news: Another perspective on cancer
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.
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: Ghosts of epidemics past
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.
9-12 Article
Evo in the news: Superbug, super-fast evolution
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.
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
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
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
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: Agriculture
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.
9-12 Article
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
The Natural Selection Game
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.
9-12 Classroom activity
Using Magnetotactic Bacteria to Study Natural Selection
In this lab students observe bacteria that are able to orient themselves using the Earth's magnetic field, demonstrating that living organisms possess incredible adaptations which enable them to survive.
9-12 Classroom activity
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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