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...
Curated OER
Measurement and Variation
Examine the concept of variation through observation and measurement. Middle schoolers will study a peanut and record any distinguishing characteristics visible as well as sketch their peanuts and describe them in writing. Their peanut...
Cold Spring Harbor Laboratory
Evolution Begins with the Inheritance of Gene Variations
Connect Mendelian genetics with Darwinian theories. An interactive lesson lets pupils explore how George Shull used research from other scientists to explore genetic variation. The resource outlines the statistical analysis of genetic...
Curated OER
Variations in Living Things
Biology beginners observe traits in a collection of plant parts to realize the tremendous amount of genetic variation within a species. They consider rules of nature and discuss what would happen if they changed. They also examine data...
Howard Hughes Medical Institute
Color Variation Over Time in Rock Pocket Mouse Populations
Simple characteristic changes can have a significant impact on species survival. A hands-on activity has learners investigate the color variation in pocket mouse populations in different environments. They connect the timing and number...
Curated OER
Reebops a Model "Organism" for Teaching Genetics Concepts
Reebops are cute, marshmallow-based creatures that can be used to teach inheritance. Beginning biologists draw strips of paper that represent chromosomes from two envelopes, one for the father, and one for the mother. Each parent...
Curated OER
Paper Pets
In this paper pets genetics worksheet, students are given 4 genetic traits found in a particular species (paper pet). Students are given the genotypes of the parents of the paper pets and they perform genetic crosses using punnet squares...
Great Books Foundation
On the Origin of Species
How did Charles Darwin support his controversial theory of evolution with evidence? Use an excerpt from his 1859 work On the Origin of Species to reinforce the importance of making inferences within an informational text, and to discuss...
ARKive
Species Discovery
How many of your students know that even today new species are being found all over the globe? Introduce them to the amazing diversity our planet houses with a creative activity about animal variation and classification. They'll use a...
Curated OER
Species and Specimens: Exploring Local Biodiversity
Students practice skills essential to all scientific investigation: carefully observing and collecting data. They become field biologists in a series of hands-on activities to collect and identify specimens, and survey and calculate the...
Howard Hughes Medical Institute
Color Variation over Time in Rock Pocket Mouse Populations
A species-specific look at natural selection, the resource herein examines how adaptations have helped the population of rock pocket mice survive in a changing landscape. To begin, middle or high schoolers watch a 10.5 minute video,...
Curated OER
Captive Breeding and Species Survival
Learners research and assess programs that strive to preserve biodiversity, such as captive-breeding programs and species-survival plans adopted by zoos, aquariums, and other institutions.
Curated OER
Variation in Human Skin Color
Young scholars explore factors that control variation in human skin color and the implications of this information for human society. They understand that skin color is no longer considered a credible scientific standard by which to...
Howard Hughes Medical Institute
Developing an Explanation for Mouse Fur Color
Whether or not you think mice are nice, you'll love the colorful activity! Scholars examine evidence for evolution in the rock pocket mouse through video, discussion, and collaborative work. Learners watch a video regarding variation in...
Curated OER
Y7 Variation and Habitats (S)
In this biology activity, students identify and locate various vocabulary terms relating to variations and habitats of living things. There are 37 biology terms located in the word search.
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...
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...
Curated OER
Measuring Biodiversity
Students explore a few key concepts associated with measuring biodiversity. They are told that biodiversity can be measured in a number of ways. Genetic diversity is a measure of the genes represented in the sample. Ecosystem...
Curated OER
People Are Like Peas in a Pod
Learners experiment with pea pods to observe/appreciate the diversity of individuals within a population, and to explain of how dominant and recessive traits, genotypes, and phenotypes help produce variation in a population.
Curated OER
How Can We Observe Genetic Variation Within a Species?
Students observe intra-species variation by completing standard microbial streaking procedures. They collect data from which they draw observations and complete a worksheet.
Curated OER
Variation Game
Students discover variation between organisms of the same species. In this variation instructional activity, students participate in a game about variation. Students analyze beneficial and detrimental variations.
Howard Hughes Medical Institute
Measuring Biodiversity in Gorongosa
Take your biology class' understanding of biodiversity to a whole new level! Ecology scholars use data to calculate three different diversity indices based on the organisms in the Gorongosa National Park. The four-part activity uses an...
American Museum of Natural History
Around the World with DNA
DNA analysis could be what saves some animals from extinction. An interactive lesson shows learners how DNA information proves variation among animals of the same species and how stakeholders use that information to make decisions. Easy...
American Museum of Natural History
All About Horses
Horses come in all shapes and sizes, but all belong to the same species. Young scholars explore the different traits and connect the information to genetic modification. The interactive gives them the option to read about 18 different...