on the concept of the missing link...
The concept that each species is a link in a great chain of life forms was largely developed in the typological age of biology, when species “fixity” (the idea that species were unchanging) was the dominant paradigm.
But while the links of a chain are discrete, unchanging, and easily defined, groups of life forms are not. Since species are not fixed (they change through time), it can be difficult to be sure where one species ends and another begins. For these reasons, many modern biologists prefer a continuum metaphor, in which shades of one life form grade into another. Life is not arranged as links, but as shades. The metaphorical chain is far less substantial than it sounds.
Thus the chain metaphor is wrong. It doesn’t accurately represent biology as we know it today, but as it was understood over four centuries ago.
2007-06-11
13:45:43
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7 answers
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asked by
Anonymous
in
Society & Culture
➔ Religion & Spirituality
oh yeah, any thoughts?
2007-06-11
13:46:06 ·
update #1