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To: Doctor Stochastic
Some fish are kinds. If they can produce offspring together, they are kinds. If they can't, they aren't. There is a limit as to how much interbreeding can be allowed.
2,005 posted on 08/21/2003 5:49:18 PM PDT by DittoJed2
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To: DittoJed2
Some fish are kinds. If they can produce offspring together, they are kinds. If they can't, they aren't.

Then how do you explain ring species?

2,007 posted on 08/21/2003 5:52:59 PM PDT by Ichneumon
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To: DittoJed2
Is your definition of a "kind" the transitive closure of matable individuals?
2,055 posted on 08/21/2003 8:38:05 PM PDT by Doctor Stochastic (Vegetabilisch = chaotisch is der Charakter der Modernen. - Friedrich Schlegel)
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