In the period leading up to each major extinction event, what percent of body composition was typical of the dominant land species?

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    $\begingroup$ This question very much sounds like coming out of nowhere. Just so that we can give a little bit of interest into your question, you might want to write a small intro to get us interested in the post. What is your logic for asking this question? $\endgroup$ – Remi.b Mar 14 at 3:16
  • $\begingroup$ The question will be very hard to answer. One would need to list the "dominant" land species before each extinction and try to somehow estimate its body composition. Sounds very hard and I doubt anyone would take time to think about it (sorry; but I might be wrong) if there is no clear reason for taking this time. $\endgroup$ – Remi.b Mar 14 at 3:18
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    $\begingroup$ I agree with @Remi.b. I've downvoted this question, but did not vote to close it, since I couldn't convince myself that it fit well into any of the close categories. OP, if you provide a little more motivation for this question it might spark more interest. $\endgroup$ – De Novo Mar 14 at 17:27
  • $\begingroup$ Isn't the history of life on this planet sufficiently fascinating to know the variations over time and what the implications are? Isn't that the purpose of every question we ask? $\endgroup$ – NonSecwitter Mar 15 at 19:18

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