Suppose that billions of years ago, a once-in-an-eon event took place. In a primordial soup of chemical elements, some of them came together to form amino acids. Over time, some of these amino acids assembled themselves into complex organic molecules such as RNA or DNA. Eventually, a living cell formed, complete with a nucleus and cell walls. It became the first living cell capable of metabolizing and reproducing through cell division. This was the first species in the taxonomic ranking of living things.
Next, imagine that mutations and natural selection acted on this initial species, causing it to evolve into different species. Over eons, more species appeared until one developed sexual reproduction. Then, things started to accelerate. Billions of years of reproduction and speciation resulted in a completely different animal. This was no longer a new SPECIES but the beginning of a new GENUS. More billions of years later, a new FAMILY of living creatures emerged. As life diversified, new ORDERS of animals appeared, followed by new CLASSES. Eventually, new PHYLA emerged within the animal KINGDOM. The tree of life finally grew into the amazing diversity we have today.
The problem is that the narrative we described seems to be in reverse order. Scientific classification, or the taxonomic ranking of living things, aims to illustrate the progression of genetic change, or evolution. The taxonomic ranking follows: species, genus, family, order, class, phylum, kingdom. This bottom-up progression described in our narrative does not align with the fossil record.
The stages of life development seem reversed in the fossil record. Dr. Hugh Ross noted, “…in many instances, such as the Avalon and Cambrian explosions, enormous macroevolutionary changes occurred rapidly; later, over long time spans, mere microevolutionary changes occurred. Diversification of phyla occurred first, and in no time, while diversification of species and genera occurred over eons.”
In summary, the fossil record appears to show the opposite of what naturalistic evolution predicts. However, the pattern in the fossil record aligns with the biblical view that God created various kinds of animals, each capable of change and adaptation. Their genetic design allows for microevolutionary adaptations over time to address changing circumstances and environments.
Today, we observe microevolution happening naturally and through guided human breeding and hybridization. We see this clearly in dogs and cattle. Even though humans have bred dogs to be very diverse, they remain within the canine (Canidae) family and do not evolve into a new order. Many varieties of cattle exist, but they are still cattle. Likewise, fossil evidence of animals transforming into a different class or phylum is lacking.
The best explanation for the incredible diversity of life on this planet, whether in the animal or plant kingdom, is that it was designed by a wise Creator who endowed living things with the ability to adapt and change on a microevolutionary level. The taxonomic ranking of living things seems to occur from the general to the specific rather than from the specific to the general.
— Roland Earnst © 2025
Reference: “Unconfirmed” by Hugh Ross in Salvo magazine, summer 2025, pages 38-41