1 - 12 of 100 results

Trees on the Serengeti

This activity explores images of tree growth in the Serengeti over time, which serve as a phenomenon for learning about and modeling species interactions in ecosystems.

Ecology
Environmental Science
Science Practices
Phenomenal Images
High School — General
High School — AP/IB
College

Mapping Migrations: The Bird Genoscape Project

This video follows an international team of researchers as they collect data to map migratory bird populations in the US and Mexico.

Genetics
Ecology
Environmental Science
Scientists at Work
High School — General
High School — AP/IB
College

How Do Some Cells Affect Mouse Color?

In this phenomenon-driven activity, students investigate how cells are signaled to make melanin and explain how mutations in melanin pathway proteins affect the coat color of various organisms.

Cell Biology
Genetics
Lessons
High School — General
High School — AP/IB
College
Image of two dogs sitting outside.

Canine Conservationists

Release Date
Duration 00:27:51

Dogs are sniffing out dwindling populations of koalas and helping scientists eliminate invasive foxes that devastate native sea turtle populations.

Image of an axolotl salamander swimming.

Salamander of the Gods

Release Date
Duration 00:27:51

Scientists and farmers in Mexico City are working together to conserve the axolotl. Another team is partnering with salamander-breeding nuns to save a closely-related species—the achoque.

How Can We Measure Elephant Populations?

In this activity, students use an interactive tool to simulate how scientists collected and used sample data to estimate elephant population sizes.

Ecology
Environmental Science
Science Practices
Click & Learn
High School — General
High School — AP/IB
College
Image of a beaver swimming.

Beaver Fever

Release Date
Duration 00:27:48

The return of beavers to the British countryside is boosting biodiversity, reducing storm-induced flooding, and restoring wilderness to an over- manicured landscape.

Why Do Some People with the Sickle Cell Genotype Not Have Symptoms?

In this inquiry-based activity, students engage in science practices to figure out why some people with a genetic condition that usually leads to sickle cell disease do not have disease symptoms.
 

Biochemistry & Molecular Biology
Genetics
Card Activities
High School — General
High School — AP/IB
College

Lionfish Invasion: Density-Dependent Population Dynamics

In this Click & Learn, students explore mathematical models that describe how populations change over time and apply these models to the invasive lionfish population in the Bahamas. They also use data from other species to learn how density-dependent factors limit population size.

Ecology
Science Practices
Click & Learn
High School — AP/IB
College

Population Regulation in the Serengeti

In this activity, students learn about the factors that regulate the population sizes of wildebeest and buffalo in Serengeti National Park.

Ecology
Science Practices
Case Studies
High School — General
High School — AP/IB
College

Mystery of the Buffalo Boom

In this video, ecologist Tony Sinclair takes us through the steps of how he uncovered that the eradication of an infectious disease in cattle led to a boom in the Serengeti’s buffalo and wildebeest numbers.

Microbiology
Ecology
Science Practices
Scientists at Work
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