Later On

A blog written for those whose interests more or less match mine.

Great opening to a serious problem in biological nomenclature

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Christie Wilcox writes in Quanta:

Carl Linnaeus was probably not the first scientist to realize the inherent connectedness of life on this planet. But he articulated and codified it. In the 10th edition of his Systema Naturae, published in 1758, he established a system of naming and organizing life that endures to this day — what we still call Linnaean taxonomy, although today’s system is somewhat different from the five-rank hierarchy he proposed. The principle is the same, though: Life is organized into nested ranks, with each higher tier representing a larger group of related organisms to which the species at the bottom belong.

This ranked taxonomy — domain, kingdom, phylum, class, order, family, genus, species — is foundational to biology pedagogy. Every student learns it, often through a mnemonic like “Didn’t Know Popeyes Chicken Offered Free Gizzard Strips” or “Dear King Phillip Came Over For Great Spaghetti.”

But a growing number of researchers think it’s time for taxonomy to move away from these ranks, or even abandon them altogether. “When a student has to learn it, it also suggests to the student that there’s something special about these groups,” said Andreas Hejnol, a comparative developmental biologist at the University of Bergen in Norway. Yet there isn’t.

The problem that Hejnol sees with the whole system is that . . .

Continue reading. I know you can’t stop now…

Written by LeisureGuy

24 June 2019 at 7:38 pm

Posted in Evolution, Science

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