During glacial periods in the early evolution of land plants, which of these is

Question

During glacial periods in the early evolution of land plants, which of these is a beneficial adaptation regarding the number of stomata per unit surface area, and what accounts for it? A) decreased numbers of stomata, to maximize absorption of ever-decreasing levels of atmospheric CO2 B) increased numbers of stomata, to maximize ability to absorb ever-decreasing levels of atmospheric CO2 C) increased numbers of stomata, to maximize absorption of increasing levels of atmospheric CO2 D) decreased numbers of stomata, to retain CO2 produced by the chloroplasts

Explanation / Answer

During glacial periods in the early evolution of land plants, which of these is a beneficial adaptation regarding the number of stomata per unit surface area, and what accounts for it?

decreased numbers of stomata, to maximize absorption of ever-decreasing levels of atmospheric CO2-correct answer ----100% sure

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