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University of Delaware: Chemosynthesis.
An explanation of how in the deep sea, where the sun's rays never reach, organisms make food from chemicals, a process called chemosynthesis.
Natural History Museum
Natural History Museum: Eukaryotes in Extreme Environments
Extremophiles thrive in the most extreme environments that are inhospitable for humans. This resource breaks down each type and provides a brief description. A good list of references is provided at the bottom of the page.
CK-12 Foundation
Ck 12: Biology: Prokaryote Habitats
[Free Registration/Login may be required to access all resource tools.] Describes the range of habitats that prokaryotes occupy.
Woods Hole Oceanographic Institution
Woods Hole Oceanography Institute: Bacteria at Hydrothermal Vents
Discover more about the thermophiles (bacteria) that live in hydrothermal vents ranging from the ocean floor to Yellowstone hotsprings.
CK-12 Foundation
Ck 12: Life Science: 5.7 Types of Archaea
Explore the diversity of the domain Archaea.