Ecosystems/how we depend on each other

YEAH!Today we finally got our new science projects in.It looks so fun!We even have some live critters.Yesterday we built terrariums with Alfalfa,Rye Grass,Mustardseed, rocks leafs and twigs and finally dirt.In our aquarium we have gravel,elodea, algea,duckweed,snails next comes the best part . . . . . .the mosquito fish.Thats right fish.I cant belive we have real fish in our classroom.The fish look alot similar to guppies,they are supposed to multiply like them to.Anyways we have an eco- system going on,mind you this is going onin two litter bottles.well this is it bye*!!