A very basic introduction to theories about the evolution of the human jaw

Evolutionary theories are fascinating in both their simplicity, and their explanatory power. In the past, some philosophers used examples of hugely complex biological arrangements as evidence for a designer, as opposed to theories which put the development of species down to chance. Charles Darwin, however, through making some simple observations, developed a theory that was simple and elegant, and yet could explain even the most complex biological structures without appealing to a designer. [...]

How different animal’s teeth have adapted for different purposes

The natural world has many different creatures, all with such varied characteristics that all seem perfectly suited to the environment they live in. In the past, people found this correspondence mysterious, and so it is understandable that they appealed to the divine in order to explain these phenomena. However, now Darwin has blessed us with the theoretical apparatus outlined in Origin of Species, we can explain all of these features in an extremely simple way. [...]