Water molecules exhibit the properties of cohesion and adhesion. Adhesion refers to the property of water molecules to stick to some other substance while cohesion is the property of water molecules to stick together. Hence, sticking of water molecules to the penny is example of adhesion where water molecules are attracted towards the penny.
A: Homeostasis is the characteristic of an organism to regulate its internal conditions. An example is the body regulating its internal temperature by shivering or sweating.