Actually, they do float. They are lighter than air, so they are supposed to float.
An object will float on water if it has less density than the water. Or than any other liquid on which it is supposed to float.
it is when a egg float on the matter of something making it float.
The meaning of defecation is when feces is discharged from the body.
The difference between excretion and defecation is excretion is the removal of waste and defecation is the removal of undigested waste. During defecation, the nutrients are absorbed by the body before being removed from the body.
Constipation means infrequent defecation.
The skin and kidneys are involved in excretion, filtering waste products from the blood and expelling them from the body through sweat and urine, respectively. In contrast, the large intestine is responsible for defecation by eliminating solid waste material from the body in the form of feces.
Any material that has less density than the liquid on which it is supposed to float.
It is similar with defecation only in that both help to overcome nitrogenous wastes in the body. Defecation helps to pass out the solid wastes. But defecation can not be called excretion on the physiological grounds as the waste does not cross any semipermeable membrane as is required in the process of excretion.
it has a hole
The toilet.
Defecation, or elimination of solid waste, is a process of the digestive system, not the reproductive system.