INVESTIGATION 1: GOLDFISH AND GUPPIES
INVESTIGATION 2: WATER AND LAND SNAILS
INVESTIGATION 3: BIG AND LITTLE WORMS
INVESTIGATION 4: PILL BUGS AND SOW BUGS
INVESTIGATION 1: GOLDFISH AND GUPPIES
INVESTIGATION 2: WATER AND LAND SNAILS
INVESTIGATION 3: BIG AND LITTLE WORMS
INVESTIGATION 4: PILL BUGS AND SOW BUGS