Ecosystems - How We Depend On Each Other

Ecosystems, the final front-- oh... wrong line. Ecosystems, how we depend on each other. Yesterday we made a terrarium and an aquarium together... using 2 liter bottles! In the terrarium we put gravel, soil, Alfalfa seeds, Mustard seeds, and Grass seeds in the bottle. We also put some rocks and dead leaves in the bottle. We then added 2 crickets, and 2 rolly polly bugs. We put the aquarium, which has elodea, algae, duckweed, 2 snails, 2 mosquito fish and gravel, under the terrarium.