This lesson focuses on the diffusion of gas molecules across the cuticle membrane of sea spider legs and the role body size plays in the ability of sea spiders to uptake gases. Students construct model sea spider legs of varying diameters and use them to investigate the relationship between surface area-to-volume ratios and diffusion.
Article from The Shorthorn - University of Texas at Arlington's student newspaper detailing PI Laura Gough's participation in a PolarTREC Live from IPY! Event. Laura is working with PolarTREC teacher Cathy Campbell at Toolik Station, Alaska this summer.