1 - 12 of 60 results
Mystery of the Missing Tusks

This activity explores images of elephants with and without tusks, which serve as phenomena for learning about selection and human impacts on the frequency of traits within populations.

Evolution
Environmental Science
Phenomenal Images
High School — General
High School — AP/IB
Out of the Ashes: Dawn of the Age of Mammals

This film explores how life recovered after an asteroid wiped out the dinosaurs and how those events shaped the diversity of plants and mammals on Earth today.

Evolution
Earth Science
Short Films
High School — General
High School — AP/IB
College
The Art of Hiding

This activity explores an image of a moth with unusual markings on its wings, which serves as a phenomenon for learning about mimicry and adaptation.

Anatomy & Physiology
Evolution
Phenomenal Images
High School — General
High School — AP/IB
The Science of an Extreme Animal Athlete

This video follows biologist Shane Campbell-Staton, who is studying the adaptations that allow deer mice living at high elevations to stay warm and active during the winter.

Cell Biology
Evolution
Science Practices
Scientists at Work
High School — General
High School — AP/IB
College
Developing an Explanation for Tuskless Elephants

This activity builds on information presented in the video Selection for Tuskless Elephants. Students use scientific evidence and reasoning to construct an explanation of and develop an argument for tusklessness in elephant populations.

Evolution
Environmental Science
Science Practices
Lessons
High School — General
High School — AP/IB
College
Mate Choice in Spiders

This activity guides the analysis of a published scientific figure from a study that investigated how males in a species of sexually cannibalistic spiders choose their mates.

Anatomy & Physiology
Evolution
Science Practices
Data Points
High School — General
High School — AP/IB
College
Analyzing Data on Tuskless Elephants

This data-driven activity accompanies the video Selection for Tuskless Elephants. It engages students in analyzing data to make evidence-based claims about the occurrence of tusklessness in elephant populations.

Evolution
Science Practices
Lessons
High School — General
High School — AP/IB
College
Stalking the Genetic Basis of a Trait

This activity supports the film Popped Secret: The Mysterious Origin of Corn. Students analyze data on the expression of the tb1 gene to explain how variations in this gene played a role in the evolution of corn.

Genetics
Anatomy & Physiology
Evolution
Science Practices
Lessons
High School — AP/IB
College
Patterns in the Distribution of Lactase Persistence

This activity extends concepts covered in the film Got Lactase? The Co-Evolution of Genes and Culture. Students analyze data from the scientific literature to draw conclusions about the geographic distribution of lactase persistence.

Evolution
Science Practices
Card Activities
High School — General
High School — AP/IB
College
Mimicry in a Diverse Community of Arthropods

This activity guides the analysis of a published scientific figure from a study that tested how effectively mimicry protects arthropods against different types of predators.

Anatomy & Physiology
Evolution
Science Practices
Data Points
High School — General
High School — AP/IB
College
Selection for Tuskless Elephants

This video follows Joyce Poole and other scientists working in Gorongosa National Park, Mozambique, who made the observation that many female elephants lack tusks.

Anatomy & Physiology
Evolution
Environmental Science
Scientists at Work
High School — General
High School — AP/IB
College
The Making of Mass Extinctions

This interactive module explores the environmental factors and species involved in five major mass extinctions.

Evolution
Earth Science
Click & Learn
High School — General
High School — AP/IB
College