Answer:
If you jumped into the black hole feet first, the gravitational force on your toes would be much stronger than that pulling on your head. Each bit of your body would also be elongated in a slightly different direction. You would literally end up looking like a piece of spaghetti.
A since they must have evolved for a common ancestor or they would have different bone structure
Answer:
True
In a free market, competition determines price, and so companies will compete with one another to offer the lowest prices.
Answer:
I'd say all of the above because no particular group is more fit than the other for sexual reproduction, if the question was who would have the quickest reproductive rate then you could base that off of population size of X race.