Glucose is a molecule that can move across the cell membrane. If the
concentration of glucose is higher inside the cell than outside the cell, then
what will happen by the process of diffusion?

It will move inside the cell. This is because it moves from an area of high concentration to low.

i would say d

explanation:

not necessarily. higher fitness requires the organism to be reproductive successful. for example, an organism at age 10 with 15 offspring is much more fit than an organism at age 15 with only 5 offspring.