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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