By the late 1860's, Darwin came to describe this process as the survival of the fittest. This is very different from Lamarck's incorrect idea that the environment altered the shape of individuals and that these acquired changes were then inherited.
On average, you should budget $10,000 to $30,000 for a bathroom remodel, says Paloma Contreras, a Houston-based interior designer behind La Dolce Vita and member of the National Kitchen & Bath Associationâs new trend forecasting panel, the NKBA K+B Insiders.
Bathroom remodeling can cost $11,000-$15,000 for a mid-range remodel of a 5'x7' bathroom, or $35,000-$43,000 for an upscale expansion of a 5'x7' bathroom to 9'x9' within the existing house; actual costs vary widely depending on the shape and square footage of the existing room and whether walls or plumbing are moved.