Is a spider a bug? Is a tarantula a spider? Is a whale a fish? All of these could reasonably be answered either “yes” or “no” depending on how these categories are understood. Is there a correct way to categorize living things? The taxonomic hierarchy Why categorize at all? Humans, or our ancestors, identified similarities…
Tag: evolutionary theory
The decline and fall of young earth creationism
For most of human history, the age of the earth was unknown. Many believed it was created at some point in the past by supernatural forces, and others hypothesized that the earth always existed. Within the Abrahamic tradition, genealogical lists have been used to trace back to Adam and the date of creation as described…
The geometry of body plans
Let’s talk about evolution. All living organisms require a way to acquire and metabolize food, a way to respirate, and a way to reproduce. Many single-cell organisms like bacteria can eat by engulfing food within their cell, a process called phagocytosis. Algae and plants are autotrophic, meaning they produce their own food. Some simple animals,…
thoughts on mind 