Flux

... species I think you're misunderstanding me. I'm saying betaBirds are the parent population (though they may already be in a state of evolutionary flux, thus "beta"). I'm also saying Bird1.0 is analogous to (but not the same as) your "first bird." So I am answering your question, ...

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Gamalia, this is a great quote, and we need to pay attention here. I don't see anything here that would be trying to make the point --flux of definition. But he is saying that there were more phylum in the beginning...period. Would evolution predict fully formed "modern animals" ...

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... exist now. Gamalia, this is a great quote, and we need to pay attention here. I don't see anything here that would be trying to make the point --flux of definition. But he is saying that there were more phylum in the beginning...period. Would evolution predict fully formed "modern animals" ...

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... can make up what ever definition he needs for his purpose- and they call biology a science Just about everything in science is a constant state of flux. Scientists are constantly revising and updating old definitions and theories to account for new evidence. That's part of the scientific process; ...

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... try to digitize organisms into discreet groupings as best we can, but the biological world is better viewed as an analogue continuum in constant flux with smaller or larger gaps here and there that we choose to call species (with varying levels of success or justification). Natural selection ...

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