1 - 12 of 101 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

The Genetics of Tusklessness in Elephants

This video follows scientists working in Gorongosa National Park as they try to determine the genes responsible for tusk development in elephants.

Genetics
Evolution
Scientists at Work
High School — AP/IB
College

Sickle Cell: Natural Selection in Humans

This film explores the evolutionary connection between an infectious disease, malaria, and a genetic condition, sickle cell disease.

Genetics
Evolution
Short Films
High School — General
High School — AP/IB
College

Analyzing Pedigrees

In this activity, students interpret several pedigrees of autosomal dominant and recessive conditions and consider the benefits and limitations of genetic testing.

Science Practices
Genetics
Lessons
High School — AP/IB
College
Image of a woodpecker on a tree.

Woodpecker Wars

Release Date
Duration 00:27:59

Scientists, soldiers, and landowners collaborate to save the endangered red-cockaded woodpecker at a North Carolina army base.

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.

Inbreeding in Island Wolves

This activity guides the analysis of a published scientific figure from a study that explored inbreeding depression in a small, isolated population of wolves.

Genetics
Evolution
Environmental Science
Science Practices
Data Points
High School — General
High School — AP/IB
College

Preserving Maize Genetic Diversity

This video follows germplasm bank coordinator Cristian Zavala Espinosa and geneticist Sarah Hearne, who are part of the global effort to preserve the genetic diversity of maize (corn).

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

From Dog DNA to Human Diseases

This video follows biologist Elinor Karlsson, who studies dogs to find genes associated with traits, including certain diseases.

Genetics
Evolution
Scientists at Work
High School — General
High School — AP/IB
College

Wildlife Overpasses

This activity explores an image of a wildlife overpass crossing a major highway, which serves as a phenomenon for learning about habitat fragmentation and conservation.

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

Exploring Keystone Species

This Click & Learn shows that keystone species exist across a variety of ecosystems and can exert their influence in different ways.

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