1 - 12 of 48 results

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

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

Testosterone Levels in Elite Athletes

This activity guides the analysis of a published scientific figure from a study that compared the testosterone levels of Olympic-level elite athletes.

Anatomy & Physiology
Science Practices
Data Points
High School — General
High School — AP/IB
College

Why Two Heads?

This activity explores images of planarians regenerating missing body parts, which serve as phenomena for learning about cell division and differentiation.

Cell Biology
Anatomy & Physiology
Phenomenal Images
High School — General
High School — AP/IB

Sex Verification Testing of Athletes

This interactive module explores the biology of sex determination and development in humans, set against the backdrop of the different sex testing policies implemented throughout sports history.

Anatomy & Physiology
Science Practices
Click & Learn
High School — General
High School — AP/IB
College

Living Together

This activity explores images of the bobtail squid, which serve as phenomena for learning about symbiosis and interspecies interactions.

Cell Biology
Microbiology
Phenomenal Images
High School — General
High School — AP/IB

Identifying the Key Genes for Regeneration

This video describes how scientists silence different genes in regenerating planaria to study the process of regeneration at the molecular level.

Biochemistry & Molecular Biology
Cell Biology
Anatomy & Physiology
Scientists at Work
High School — General
High School — AP/IB
College

Genetic Mutations and Disease

This interactive module explores how mutations arise in germline and somatic cells. It also shows how these mutations can lead to genetic conditions, such as cystic fibrosis and cancer.

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

Thermoregulation in Dinosaurs

This activity guides the analysis of a published scientific figure from a study that explored how dinosaurs may have regulated their body temperatures.

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

How Did Dinosaurs Regulate Their Body Temperatures?

This activity extends concepts covered in the film The Origin of Birds. Students analyze and interpret data from a scientific paper to explore thermoregulation in living and extinct animals, including dinosaurs.

Anatomy & Physiology
Evolution
Science Practices
Lessons
High School — General
High School — AP/IB
College

Synchronized Division

This activity explores an image of early embryonic cells, which serves as a phenomenon for learning about cell division and development.

Cell Biology
Anatomy & Physiology
Phenomenal Images
High School — General
High School — AP/IB