Question

1. this thorny devil lives in the arid deserts of australia. scientists have observed that as it stands in the shallow water, it appears to be drinking through its feet. upon closer inspection, it is revealed that water is actually traveling, against gravity, up the arms and legs of the lizard. the thorny devil is covered in scaly bumps, grooves and crevasses, which act as passageways that carry the water up the lizards body. use the terms hydrogen bonds, adhesion, cohesion, and capillary action (capillarity) to describe how this occurs.

Explanation:

Cohesion is the attraction between water - water molecules due to hydrogen bonds. Adhesion is the attraction between water and other substances (like the lizard's body surfaces). Capillary action occurs when adhesion to the walls of the narrow passages (scaly bumps, grooves, crevasses) is stronger than the cohesive forces within the water, allowing water to move against gravity.

Answer:

The hydrogen bonds between water molecules create cohesion. The adhesion of water to the scaly bumps, grooves, and crevasses on the lizard's body surface is stronger in some areas than the cohesive forces within the water. This combination of cohesion and adhesion results in capillary action, which allows water to travel against gravity up the lizard's arms and legs.