These spheres, hermetically shut, contain the necessary ingredients, the basic elements for life to happen. Inside, they hold a complex ecosystem, which needs solar energy to subsist and develop.
Biospheres are the representation of live forms in the planet. They reproduce the basic process of life functioning.

In this way, the spheres act like the atmosphere in our planet, they are the limit that joins the outside and the inside. It configures a closed system, like Earth. The only thing that receives from the exterior is the solar energy: the beginning of the life chain. The plants of the ecosystem grow transforming light and nutrients into their own food, due the process of photosynthesis.

In these pieces, the significance falls in the notion of exchange, an interaction between the art craft and the surrounding. The vitality of the biospheres will depend on the situation in which the pieces are implanted. Variables like temperature and the amount of sun light would determine their survival.