Monterey Institute for Technology and Education
Noaa: Chemosynthesis and Hydrothermal Vent Life
Chemosynthesis is explained in this video. View some of the 300 species that inhabit ecosystems based on chemosynthesis occurring at hydrothermal vents. There is an additional interactive hydrothermal foodweb to check out as well.
Khan Academy
Khan Academy: Biology: Introduction to Cellular Respiration
The conversion of energy into ATP and then into waste. [14:19]
Khan Academy
Khan Academy: Biology: Photosynthesis
One of the most important biological processes: photosynthesis. [13:37]