Howard Hughes Medical Institute
The Making of the Fittest: Natural Selection and Adaptation
The pocket mouse can be light brown like the sands of the desert, or dark brown like the volcanic lava flows that are interspersed throughout New Mexico's Valley of Fire. It seems that predators have weeded out light colored mice in this...
Safe Routes to School
Pollution & Evolution
Bring together a study of two major scientific topics with a lesson on the relationship between pollution and evolution. With the help of a PowerPoint presentation, hands-on activity. and class demonstration young scientists learn how...
Howard Hughes Medical Institute
The Making of the Fittest: The Birth and Death of Genes
Adaptations must be made as environments change. This fabulous presentation features Icelandic icefish, a transparent, scaleless specimen that even has colorless blood. Genetics and adaptations concepts are explored as scientists study...
Howard Hughes Medical Institute
Icefish Adaptations
What adaptations exist in order for icefish to survive the subfreezing temperatures of the Antarctic Ocean? Middle and high schoolers can find out through watching a related 13-minute video and performing a simple investigation to...
Howard Hughes Medical Institute
Got Lactase? The Co-Evolution of Genes and Culture
Does the human body evolve as quickly as human culture? With a stellar 15-minute video, explore the trait of lactose intolerance. Only about 1/3 of human adults seem to still have the enzyme lactase and therefore, the ability to digest...
Serendip
Evolution of Fur Color in Mice – Mutation, Environment and Natural Selection
Most species of animals include a variety of fur or hair color, but why? Scholars watch a video about a changing environment for mice. As the rocks around them change hues, different colors of mice begin to thrive. Discussion questions...
Howard Hughes Medical Institute
Natural Selection and the Evolution of Darwin's Finches
Darwin explained the connection between species of finches 150 years before scientists understood DNA. Technology and progressing science proved he was right, yet many struggle to understand how natural selection happens. Scholars use...
ARKive
Biodiversity and Evolution
Why is diversity in biology so important for an ecosystem? Explore biodiversity, evolution, and natural selection with a presentation for your biology class. It features clear information, activities for further understanding, and...
Howard Hughes Medical Institute
The Making of the Fittest: Natural Selection in Humans
Sickle cell disease only occurs when both parents contribute the trait, and mostly in those of African descent. Where did it come from? How did it evolve? Tony Allison, a molecular biologist, noticed a connection between sickle cell and...
Howard Hughes Medical Institute
The Making of the Fittest: Evolving Switches, Evolving Bodies
How did the stickleback fish, which was once ocean bound, evolve to be able to persist in freshwater lakes? Hear from the scientists who identified the genes and related switches that allowed these survivors to adapt. In addition to the...
Howard Hughes Medical Institute
Lactose Intolerance: Fact or Fiction
Around the world, about 2/3 of adult humans are lactose intolerant. Scholars work in small groups to discuss a few statements about lactose intolerance. Then, they watch a video on the topic and readdress each statement. Whole-class...
Biology Junction
Birds
Birds adapted to almost every climate on the planet, from the Arctic to the rain forests. A presentation focused on birds covers their similarities and differences. It starts with their evolution from reptiles, their many physical...
Howard Hughes Medical Institute
Explore Your Inner Animals
Human bodies prove evolution thanks to our genes, bones, and more. Learning about specific body parts and how they evolved from other species helps individuals better understand the transition species that helped us become who we are today.
Howard Hughes Medical Institute
The Making of the Fittest: The Birth and Death of Genes
After watching an engaging 13-minute video about the colorless blood of icefish, future ichthyologists examine icefish blood and non-icefish blood (blood samples are simulated with Karo syrup mixtures) to determine advantages of...
Roy Rosenzweig Center for History and New Media
Yankee Doodle: How Has It Changed over Time?
Grab your feathers and your hat! And perhaps some macaroni! It's time to investigate the evolution of "Yankee Doodle Dandy." Groups do a close reading of sheet music covers, lyrics, and even YouTube videos to see how this political song...
Echoes & Reflections
Nazi Germany
The Holocaust was an evolution of anti-Semitism, scapegoating, and targeted violence against Jews with Nazi policies. A resource unpacks the escalation in violence, along with the erosion of democratic institutions, during the 1930s....
Columbus City Schools
Diversity of Living Things
Here's a topic classes can really dig—the fossil record. Use the well-organized and thoughtful road map to take eighth graders back in time to unearth the answer. Learn how our climate has changed, and how organisms have changed along...
Howard Hughes Medical Institute
Modeling the Regulatory Switches of the Pitx1 Gene in Stickleback Fish
Gene switches work similarly to light switches in controlling one feature of their environments. Scholars study the Pitx1 gene in a specific type of fish. They learn the different ways this switch controls various body parts and...
Smithsonian Institution
Expedition: Insects
Get up close and personal with beautiful and sometimes dangerous insects in an exciting eBook activity! Pupils practice geography skills by reading a map with the location of six different insects. Scientists read about each insect,...
Biology Junction
Reptiles
When crocodiles close their mouths, you still see their teeth, but when alligators close their mouths, their teeth are hidden. Learn more about these reptiles and their many evolutionary cousins in a fact-filled presentation. It...
Biology Junction
Mammals
Mammals include more than 4,000 species and represent the most dominant land animals on Earth. Scholars learn about the large variety of mammals, including orders unfamiliar to most. The presentation highlights the characteristics and...
Biology Junction
Plant Diversity
Ginkgo trees existed for more than 350 million years, and, at this time, only one species still remains. While plant diversity generally increases over geologic time, some interesting exceptions occur. Young scientists learn about plant...
K12 Reader
From Nomad to Farmer
The gradual evolution of the earliest settlers in North America from nomads to farmers is the subject of a reading comprehension worksheet that asks kids to answer a series of questions using information provided in the reading passage.
Curated OER
Artificial Selection
The second lesson in the series begins with a starter activity discussing wild versus domesticated animals. Then, scholars play a card game, with optional variations, to emphasize artificial selection. Next, they attend a field trip to a...