There are no native peoples in Antarctica -- so no native food.
No fern grows -- nothing grows -- in Antarctica. It's too cold and there is no irrigation.
Nothing grows on Antarctica: it's too cold and dry.
chicken
There are no tropical plants in Antarctica. Antarctica is a polar continent and essentially nothing grows there.
The food web around the Antarctic continent -- no food grows on the continent: it's too cold -- exists in the Southern Ocean. This is a short food chain based in krill.
Deschampsia antarctica (Antarctic hair grass) grows in Antartica.
There are a few grasses and mosses that survive on the Antarctic peninsula, but not enough vegetation to support any kind of food chain grows on the continent.
what food grows in Italy? what food grows in Italy?
Nothing grows in the soil on Antarctica: it's too cold and it is too dry.
Food in Antarctica is generally called edible.
Mostly nothing grows in Antarctica: it's too cold there.
Nothing grows in Antarctica: it's too cold to support any life.