5 Questions
What is the oldest and most common form of photosynthesis?
C3 photosynthesis
Which scientist is credited with the discovery of photosynthesis?
Jan Ingenhousz
What adaptation for photosynthesis is used by plants in arid conditions?
Crassulacean acid metabolism (CAM)
What is the likely initial source of reducing agents for early photosynthetic organisms?
Hydrogen
At what age have fossils of filamentous photosynthetic organisms been dated?
>3500 million years old
Test your knowledge about the origin and evolution of photosynthesis, the process by which light energy is used to assemble sugars from carbon dioxide and other sources. Learn about its discovery by Jan Ingenhousz and the early history of photosynthetic organisms.
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