Today we did ecosystems. For the bottom layer we put rocks water and a water plant and then the animals. Some bottles had cherry shrimp. Some had daphnia. Some had minnows. Some had snails. Some had guppies. For the top layer we put rocks first and then we put soil. Then we put grass. Then we put leaves and twigs and then we put pill bugs. It was really fun. by Hank and Logan
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