Humans are unique in that they have adapted to the natural environment through a series of long-term interactions between

The gene pool. This is the series and combinations of genes in the environment. This can affect the human adaption of the environment and how they cope up with the species living with them. They interact with them in a way that the species can affect one another,

Aneutral atom must have the same number of neutrons and protons? no, they must have the same number of protons and electrons