A variance is an exception to one or more of the zoning restrictions on a piece of property. A variance is different from a nonconforming use, which permits existing structures and uses to continue when zoning is first instituted.
The book, On The Origin Of Species,  suggested  that organisms evolve through the process of natural selection.opulations evolve as the individual organisms less able to survive in the current environment die and fail to reproduce. That is natural selection.
4. How did livestock breeders and farmers influence Darwin's ideas? (1 point) Darwin concluded that if humans could influence an offspring's traits, so could nature. Darwin concluded that if the processes that formed Earth had worked over long periods of time, so could the process that produced the diversity of life. Darwin concluded that if an organism had a need for a different size or shape, they could produce that change by using their bodies in new ways.