What it eats, habitat/environment, predators, resources
Yes, this is true.
Some people don't really need to work (for example they have inherited a lot of money) but they work nonetheless because they seek social support or want to make a contribution to the world (such as working in the NGOs - organisations focused on improving life of others).
I believe The answer is A.a class system
B, Bartholomeu Dias is the right answer
an athiest is a person who disbelieves or lacks belief in the existence of God or gods
A heathen is a person who does not belong to a widely held religion (especially one who is not a Christian, Jew, or Muslim) as regarded by those who do.