Garden of Eden model...?

[DollyV8052]

So, how school I am doing a project of making a representation of the garden of eden. I decided i wanted to make mine different and use all edible substances. So i was needing some help on ideas and opinions of what i have though of.
Land~9 in circle pan, or 9 in square pan
Grass~Green frosting and green small sprinkles
Trees~lollipops? marshmallows on toothepick died green?
Flowers~Flower shaped sprinkles
Bushes~Marshmallows?
River~Cut out a section, line it with saran wrap and put blue jello in it
Fish~mini gold fish
Animals~Animal crackers
Satan~twizzler
Adam and Eve~??? some kind of cookie or cracker?
anything else i should add or change?
Thanks