Bottle Biosphere Guide Guide

Creating a Bottle Biosphere (also known as a sealed ecosystem

A bottle biosphere is more than a decoration; it is a lens into planetary science. Every time you see a droplet of water roll down the glass, you are watching the hydrological cycle. Every time you see a new leaf sprout in stale air, you are watching the miracle of photosynthesis. Bottle Biosphere Guide

Inside a sealed bottle, you cannot open it to "let fresh air in." Therefore, the air inside must be recycled. Creating a Bottle Biosphere (also known as a