Final answer:
The webs between fingers disappearing could be due to a condition known as syndactyly, where there is an abnormal fusion of the skin between the fingers. With age or surgical intervention, the webs may be separated, leading to the disappearance of the webbing.
Step-by-step explanation:
In biology, the webs between fingers disappearing could be due to a condition known as syndactyly. Syndactyly is a genetic disorder where there is an abnormal fusion of the skin between the fingers, causing them to appear webbed. This can result in the webs between the fingers becoming less prominent or disappearing over time.
For example, a person with syndactyly may initially have webbing between all their fingers, but with age or through surgical intervention, the webs may be separated, leading to the disappearance of the webbing.
It's important to note that this explanation assumes the question is related to a biological or genetic context, as there is no specific information provided in the question.