Here is one of many exhibits that gives you and idea of how much food and different types of food would have had to be gathered to feed all living beings onboard the Ark. Each species has different requirements for food. Example: humans love to eat potatoes but we don't normally like to eat crickets even though we could. Well... Ducks love to eat crickets but can't eat potatoes because they don't have teeth to chew them up. Some foods would have to be grown or raised onboard because some things would spoil causing sickness. Almost an entire floor of the Ark replica is devoted to teaching about this amazing thing. to consider.