Question

Why $C4$ do plants have an advantage in hot dry conditions?

Answer 1

$C4$ plants have an advantage in hot dry conditions because:

1. $C4$ is a plant commonly found in hot and dry climates.
2. For these plants where conditions are conducive to RUBISCO's annoying photorespiration reactions as well as water loss.
3. In these plants, carbon dioxide is captured in special mesophyll cells by the first phosphoenolpyruvate to form oxaloacetate
4. C4 plants can produce more biomass.
5. The rate of photosynthesis per unit of nitrogen is generally higher than that of $C3$ plant
6. C4 plants can grow and reproduce even on nitrogen-deficient soils. It is especially capable of allocating biomass to the roots and provides fitness benefits.