Which best explains the mechanism that allows for cell differentiation ?

The large ground finch obtains food by cracking seeds. what is its short, strong beak an example? a) tendency toward perfection b) adaptation of a species over time c) selective use and disuse of an organ over time d) scarcity of recourses

Nucleic acid certain protein cell membranes certain carbohydrates

Which part of the cell is affected by the movement of molecules through diffusion, osmosis and active transport?