Classroom Resources

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

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

This interactive module allows students to examine fossils of early humans and compare them to modern primates.

This interactive module explores the diversity of viruses based on structure, genome type, host range, transmission mechanism, replication cycles, and vaccine availability.

This interactive module explores the environmental factors and species involved in five major mass extinctions.

This interactive module traces the evolutionary history of birds by comparing the bone structures of a chicken to those of other species.

This interactive module allows students to examine fossils of fish, tetrapods (four-limbed animals), and their transitional forms.

This interactive module explores different anatomical features of the human body and what they reveal about the evolutionary history of humans.

This interactive module allows students to explore concepts related to speciation by identifying which birds belong to one of two finch species.

This interactive module explores key events in the record of life on Earth, which stretches over three billion years.

This interactive module explores how scientists use the scientific process to learn about the distant past of humans.

This interactive module sheds light on the evolutionary history of humans by comparing the features of a prehistoric primate skeleton to those of modern primates.