“The diversity of life on Earth today—even throughout life’s history—built from 30 or so body plans (corresponding to the known animal phyla) is nothing short of mind-boggling. So, apparently creating life on Earth around design templates has done little to limit the Creator. In fact…it highlights God’s ingenuity.”

Evolutionists argue that anatomical, physiological, biochemical, and genetic similarities among species (homologies) are best explained by evolution. They don’t think God would have employed such similarities if he had created everything (which, as I noted previously, is a theological and metaphysical argument evolutionists make, not a scientific one). But perhaps there’s another explanation. Perhaps biological similarities can be explained by common design instead of common descent.

We could argue, biophysicist Cornelius Hunter writes, that “the Creator used the patterns found in homologous structures so that scientists could more easily analyze his creations and figure out how biology works.” Consider that such similarities allow for us to learn about biological life. What’s true for one organism might be applicable to others. Universality permits discoverability. Biochemist Fazale Rana explains:

For example: by studying DNA replication in bacteria, we have gained key insight that allows us to understand DNA replication in all life on the planet. Studying gene regulation in yeast helps us understand gene regulation in human beings. Studying the developmental pathways of the nematode C. elegans has yielded important knowledge that helps us understand growth and development in many multicellular organisms. Studying genetics in the fruit fly Drosophila has provided key understanding regarding inheritance.

Without such similarities among organisms, we wouldn’t be readily able to learn about the biological realm. Scientific discovery would be considerably more tedious. But instead, biological similarities aid us in making progress in scientific discoveries and developments in areas like medicine, conservation, and biotechnology.

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