Those are not questions posed by biologists. Those are questions asked of biologists (usually by people trying to start an argument. Biologists are not necessarily the most articulate debators, and do sometimes fall into those semantic traps. But the questions biologists ask when left to their own research are: How does that organ work? How did it develop? Science asks How; philosophy asks Why; theology asks If that's not a miracle, I'll poke some bogus holes in it.