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$C_4$ pathway
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A plant in your garden avoids photorespiratory losses, has improved water use efficiency, shows high rates of photosynthesis at high temperatures and has improved efficiency of nitrogen utilisation. In which of the following physiological groups would you assign this plant?
These are the hallmarks of $C_4$ plants.
$C_4$ plants are adapted to dry tropical regions. They have special leaf anatomy, tolerate higher temperature, respond to high light intensity, lack photorespiration, have higher productivity and use nitrogen efficiently.