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Bottle Biology- make small ecosystems using 2 liter bottles
bottle ecosystem... look like some great windowsill project.
A lab for teaching ecosystems! How cool!
sci project, mini ecosystem
Self Contained ecosystems in a bottle, perfect for a hand on science lab.
Self-contained Ecosystems. I would use "sea monkeys" instead of guppies on the bottom....
bottle ecosystems, I remember doing these in 5th grade...I wanna do these in my class!
Jellyfish in a Bottle