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.
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
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.
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.
In this collaborative activity, students explore major biodiversity threats and design, present, and refine solutions for preserving biodiversity.
Environmental Science
Science Practices
Lessons
High School — General
High School — AP/IB
Coffee for Water
Release Date
Duration 00:27:51
Deforestation on Mozambique’s Mount Gorongosa threatens the watershed of Gorongosa National Park. Park experts and local farmers are planting coffee to restore the forest.
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
The Beautiful Undammed
Release Date
Duration 00:27:51
After a dam removal on Washington’s Elwha River, scientists are chronicling a story of ecological rebirth. Recovering salmon populations are transferring critical nutrients from the ocean into the forests, enriching the entire ecosystem.