During glacial periods in the early evolution of land plants, which of the following would have been a beneficial adaptation regarding the number of stomata per unit surface area, and what accounts for it?
A) increased numbers of stomata, to maximize absorption of increasing levels of atmospheric CO2
B) increased numbers of stomata, to maximize ability to absorb low levels of atmospheric CO2
C) decreased numbers of stomata, to retain CO2 produced by the chloroplasts
D) decreased numbers of stomata, to maximize absorption of low levels of atmospheric CO2
Homer Evolution
A Controlled Cross between Two Plants
Structure of chlorophyll molecules in chloroplasts of plants
reproduction in plants
Shifts between Warm and Cold Periods during the Last 3 Million Years
Offshore spawning stock biomass, Grand Bank Atlantic Cod since the early 1980s