It allows certain molecules or irons to pass through by diffusion
RrTt ....means brown leaves and tall stems !
so answer is D !
Homolactic Fermentation in Muscle Cells
Glucose is the simple sugar reactant used in this type of homolactic fermentation, instead of lactose used in the case of bacteria. This process of energy production is employed by muscle cells when oxygen levels are low, such as during periods of extreme exercise.
The answer is C, loss of biodiversity due to an invasive species