Epigenetic mechanisms are ubiquitous in biology. Because of epigenetics, organisms with otherwise identical genes (e.g., twins) can be quite different.
You cannot see what you are not looking for. You cannot find Br’er Rabbit until you look into the briar patch.
The “science of purpose” is new to the analytic framework, and is thus obliged to make the case for its claim to validity.
Rewriting the categories of biological redundancy in terms of function clarifies their purpose and contribution.
The term “anti-evolution” has been used for decades, over and over, by untold numbers of defenders of Darwin and critics of the theory of intelligent design.