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Last by Alchemystress on Feb 26, 2011, 6:57pm
Tom Holtz, a well-known expert on tyrannosaurs, recently posted a blog entitled "What Should Everyone Know About Paleontology?
" It is worth checking out.
The next few posts will discuss the subjects of taxonomy and systematics. In biology and paleontology, the word “taxonomy” refers to a system of naming living organisms, and (more importantly for this discussion), figuring out how to classify them (group them together). “Systematics” is a broader subject which includes taxonomy, but also considers the evolutionary relationships and history of organisms.
The word “species” refers to one of the most fundamental groups of living things. Intuitively, it isn’t hard to grasp more or less what a species is: a group of living things that are the exact same “kind” of thing. Apples are one species, oranges are another. Humans are one species, chimpanzees are a different species. However, saying that all humans are the same “kind” of thing is a little vague; what exactly does that mean?
There are several different definitions which have been proposed for species, but I’ll just mention a couple here. The “biological s . . . More