Examlex
Which of the following have been identified as a functional prerequisite for the existence of a state?
Stomata
Tiny openings or pores in plant tissue that allow for gas exchange, including the intake of carbon dioxide and release of oxygen.
Membrane Permeability
The ability of a membrane to allow substances to pass through it, which can be regulated to maintain cellular homeostasis.
Acid Precipitation
Precipitation that is acidic as a result of both sulfur and nitrogen oxides forming acids when they react with water in the atmosphere.
Soil PH
A measure of the acidity or alkalinity of soil, affecting nutrient availability and microbial activity.
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