Good human development photos. Evolutionary concepts are confined to these 18 pages unlike many other texts which use evolution as a theme. This is one of the least dogmatic texts with respect to evolution, and no social agenda is evident. However, in the evolution section several statements are inaccurate or poorly stated. Scientists use theory to describe an idea that has so much supporting evidence that it is almost certainly true.
Mutations appear in every living thing.
These changes in genes may be helpful, harmful, or have no effect at all. This statement gives a false impression. Virtually all mutations are either harmful or neutral, not beneficial. One of these groups was the ancestor of apes and humans. Humans evolved about three million years ago.