By infusing cubes of agar with a pH indicator, and then soaking the treated cubes in vinegar, you can model how diffusion occurs in cells. ... Ways to Get Involved .... What relationships do you notice between surface area, volume, ... In other words, if the cube dimensions are doubled, the time it takes for the hydrogen ions
The correct answer is fitness. The Theory of Evolution defines fitness as a result of the adaptations an organism has which increase its chance of survival.