Hhmi: Bio Interactive: Great Transitions

A Click and Learn that explores transitional fossils that provide key evidence for evolution. Use this slideshow to understand how small steps were required to make big evolutionary changes.

Discover how birds descended from dinosaurs. Learn about the evidence scientist are uncovering to find out about the origin of birds. Throughout the video, there are embedded quiz modules that test students' understanding. [18:59]

How did life evolve from fish to four-limbed animals? Work through an interactive exploring transition animals and comparing their features to understand the transition. Making it even better, the interactive allows scholars to isolate...

The featured movie focuses on the ancestry of our four-footed friends. Find the fundamental pattern of their limbs and vertebrae in fossils of fish. After viewing, biology learners can enjoy interactive websites to zoom in on the...

The Double Helix is the story of the scientists and evidence involved in one of the most important scientific quests of the 20th century: the discovery of the structure of DNA. [16:53]

This is an interactive video that describes the factors that affect our skin color. There are five points in the video where students can pause the video to learn further information about the concepts discussed. [3:32]

Resource offers a great explanation and animation of the processes of active and passive transport across cell membranes.

General transcription factors, activators, and repressors interact to regulate the transcription of eukaryotic DNA into RNA. [2:05]

This curriculum guide assists in filtering through the vast available resources from BioInteractive and HHMI and organizes the material according to various topics related to DNA, including DNA structure, replication, and repair.

A site full of information about DNA. Explore animations showing the details of DNA replications and transcription, view a lecture on DNA lab techniques, and look at online interactives to explore evolutionary relationships.