Effect of the Relative Hardness of Water on Crayfish Abundance and Size. Sarah Deel Chris Brassell Ben Wade Jeff Rosemond. Crayfish Collected during the experiment. Introduction. Freshwater Crayfish naturally inhabit most all the continents.
Effect of the Relative Hardness of Water on Crayfish Abundance and Size
Crayfish collected from Sinking Creek
Image from: http://core.ecu.edu/geology/harper/Sedimentary/display_new.cfm?ID=7
Image from: http://geology.com/rocks/limestone.shtml
2) Little Stony Creek for its low level of hardness.
3) Tom’s Creek: very high hardness
Observed Means For Each Variable:
Hypothetically, this trend should hold. Right?
What does this mean?