Howard Hughes Medical Institute
Using DNA to Explore Lizard Phylogeny
In a fun and interactive two-day lesson, learners sort anole lizard pictures by appearance. Next, they watch a video about the anoles and re-sort based on the information in the video. In addition to physical characteristics, budding...
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...
Howard Hughes Medical Institute
The Making of the Fittest: Got Lactase? The Co-evolution of Genes and Culture
Got milk? Only two cultures have had it long enough to develop the tolerance of lactose as an adult. Learn how the responsible genes evolved along with the cultures that have been consuming milk. This rich film is supplied with a few...
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...
Curated OER
The Effect of Natural Selection on Genes, Traits and Individuals
Rotating through five stations, evolutionary biologists explore the question of how changes in DNA facilitate the changes in a population over time. High-quality, colorful cards of animals, skeletons, skulls, and DNA sequences can all be...
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...
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...
California Academy of Science
Human Evolution
As the great and hilarious Tim Minchin once said, "Science is simply the word we use to describe a method of organizing our curiosity." Science is more than just a guess; it is based on questions, observations, and evidence. High...
Curated OER
Comparing Theories: Lamarck and Darwin
High schoolers compare the evolution theories of Lamarck and Darwin. They use self-assessment and a video to increase their knowledge of evolution theories. They research questions and present them to the class.
Howard Hughes Medical Institute
Survival of the Fittest - Variations in the Clam Species Clamys sweetus
It's not often that you come across a clever laboratory activity that is both imaginative and comprehensive! Using M&M's and Reese's peanut butter candies to represent two different clam species, young biologists test for "relative...
University of Pennsylvania
Evolution by Natural Selection
A diagram, data table, and reading passage top this resource. Through it, biology beginners are introduced to the concept of natural selection. They answer some questions and then participate in a simulation using fabric as a habitat and...
Curated OER
Regents High School Examination: Living Environment 2003
The living environment, from the interior of a cell to the complex relationships among populations, are queried in this final examination. Learners look at air pollution maps, diagrams of cells, population graphs, and drawing of cells....
Curated OER
Regents High School Examination: Living Environment 2005
The 2005 version of the Regents High School Examination in the area of ecology is as comprehensive as previous years' exams. It consists of 40 multiple choice questions on everything from the structure of DNA to the interactions within...
Curated OER
Regents High School Exam: Living Environment 2008
Tne New York Regents High School Examinations are comprehensive and include various styles of questions, includingmultiple choice and the analysis of graphs. This particular version, the 2008 Living Environment exam surveys a variety of...
Curated OER
Guess Who Came to Dinner!
An exceptionally creative approach is taken to assessing your biologists' grasp of natural selection concepts. They are to imagine hosting Charles Darwin for dinner and having, to their surpise, a few other noted scientists crash the...
Curated OER
Replacing Missing Links in the Evolutionary Chain
Examine the evolution of various species of hominids from their earliest existence approximately 4.5 million years ago to today. In small groups, learners research one of the ten stages of hominid evolution and then create a poster and...
Curated OER
It's All About Vitamins
The fascinating topic of human skin color is examined in this article from Muse magazine. It highlights a study done by a pair of scientists on the relationships among strength of sunlight, vitamins, and melanin in the skin. The results...
Curated OER
Evolution and the Fossil Record
Engage young biologists with four laboratory activities that explore the fossil record. Learners examine fossil images, a fossil kit, the rock record, and geologic time scale. They even experiment with the oxygen production of an Elodea...
Curated OER
Evolution worksheet
Looking at evolution in detail, this thorough instructional activity has complex questions requiring details and explanations of natural selection and diversity. Various examples of biological characteristics are available, and students...
Curated OER
Teaching Controversial Science Issues Through Law Related Education
Discuss the differences in dialogue and debate when considering a controversial topic. Your class can work in small groups to complete a guided discussion of this controversial topic and then participate in a simulation of the Scopes...
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
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...
Curated OER
A Model for Natural Selection- Spaghetti Worms
Does the early bird really get the worm? If so, which color of worm does it prefer? In an exciting and easy week-long field investigation, young field biologists set up a one square meter feeding area for birds. If you have a webcam,...
Curated OER
Evidence of Evolution by Natural Selection
Being able to test a hypothesis is a scientific must. AP Biology pupils can see the process of hypothesis testing through evidence for evolution as seen in natural selection. Slides contain solid information and excerpts from academic...