1.
In the genesis story god created earth out of nothing and emptiness world, that's what happened in the Greek story. also Zeus was a hero archetype just like god, they both did something good. they both had a garden in which helped someone out. a garden archetype is a place for peace. In the Greek story Cronus ate his children, in the other story eve ate the forbidden apple.
2.
God expelled Adam and Eve from the garden, and Zeus just left the garden to help his brothers and sisters from Cronus.