Answer:C4 carbon fixation: A form of photosynthesis in which plants concentrate CO2 ... Calvin cycle is organized into three basic stages: fixation, reduction, and regeneration. ... In fixation, the first stage of the Calvin cycle, light-independent reactions are ... the reaction between carbon dioxide and RuBP; ribulose bisphosphate: an ...
The circulatory system moves oxygenated blood to all parts of the body. Without oxygen being carried to cells they would die thus causing the animal to die.
