1 - 12 of 477 results
The Immune System

This interactive module introduces the anatomy of the immune system and walks through the timeline of a typical immune response. 

Cell Biology
Anatomy & Physiology
Click & Learn
High School — General
High School — AP/IB
College
Data Explorer

This web tool provides a quick and easy way of visualizing and analyzing data without advanced technological requirements. 

Science Practices
Tools
High School — General
High School — AP/IB
College
Using Data to Investigate Elephant Evolution

In this activity, students work with authentic research data to explore the impact of poaching on African elephants.

Evolution
Science Practices
Lessons
High School — General
High School — AP/IB
College
Laetoli Footprints

This activity explores an image of fossil footprints at Laetoli, which serves as a phenomenon for learning about fossil evidence and human evolution.

Evolution
Phenomenal Images
High School — General
High School — AP/IB
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
Science Practices
Scientists at Work
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
ATP Synthesis

This animation shows how the proton gradient across the mitochondrial membrane powers the ATP synthase enzyme to make ATP. It is the third of three animations about cellular respiration.

Biochemistry & Molecular Biology
Cell Biology
Animations
High School — AP/IB
College
Electron Transport Chain

This animation shows how the enzyme complexes of the electron transport chain harvest energy from cofactor molecules to pump protons across the mitochondrial membrane and establish a chemical gradient. It is the second of three animations about cellular respiration.

Biochemistry & Molecular Biology
Cell Biology
Animations
High School — AP/IB
College
Citric Acid Cycle

This animation shows the reactions of the citric acid cycle, which splits off carbon atoms and generates energy-rich reduced forms of cofactor molecules. It is the first of three animations about cellular respiration.

Biochemistry & Molecular Biology
Cell Biology
Animations
High School — AP/IB
College
Biology of SARS-CoV-2

This three-part animation series explores the biology of the virus SARS-CoV-2, which has caused a global pandemic of the disease COVID-19.

Biochemistry & Molecular Biology
Microbiology
Click & Learn
High School — General
High School — AP/IB
College
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
Interactive Exploration of Coral Bleaching

The added information provided at pause points within the animation Coral Bleaching allows for a richer exploration of coral reefs, symbiosis, and other topics in biology.

Microbiology
Ecology
Environmental Science
Interactive Videos
High School — General
High School — AP/IB
College