Definitions for "ECOSPHERE"
a glass, self-contained ecosystem soldprimarily as a gift
a working ecological system and its biological cycle represents a simple version of Earth's own ecosystem
The biosphere together with all the ecological factors that operate upon organisms.
Keywords:  triad, model, see
see Triad Model
Keywords:  suitable, star, shell, surrounds, life
a shell that surrounds a star within which the conditions are suitable for life to form
Keywords:  planets, things, region, space, exist
region of space with planets where living things can exist.