Media Clip 19.2 Diatoms in Action

This video shows a variety of diatoms (unicellular algae), with visible cell walls.

Please note: If you have been assigned this activity by your instructor, you must complete it within LaunchPad (or your school's learning management system) in order to receive credit.

Textbook Reference: Key Concept 19.2 Major Lineages of Eukaryotes Diversified in the Precambrian, p.449