The thermodynamic properties governing the surface tension between water molecules and the grains of sand serve to hold the parts of Olaf together. Moreover, the sunlight on this sand sculpture...

What is the role played by biophysical properties in mechanisms of morphogenesis?

Extracted text: The thermodynamic properties governing the surface tension between water molecules and the grains of sand serve to hold the parts of Olaf together. Moreover, the sunlight on this sand sculpture establishes differential temperatures and associated water evaporation on the surface compared to the inner composition; consequently, the adhesion between sand grains on the surface rapidly becomes reduced, whereas more centrally located grains hold tight (i.e., until the tide changes).