The bottle biome is set up by 2 liter bottles connected together with dirt on the top half and gravel on the bottom and a string that absorbs the gravel to moist the soil of the dirt.
Bottle Biome set up
The bottle biome is set up by 2 liter bottles connected together with dirt on the top half and gravel on the bottom and a string that absorbs the gravel to moist the soil of the dirt.
Aquatic Science: Enhancing learning and experiencing 