Contrast with the Hydra, for which fertility and mortality are constant across 14 centuries!pic.twitter.com/KdvU9lvyf6
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I think of aging in very human-centric terms. Recently learned from @LauraDeming that there is amazing variability across species. Here's graphs for humans (red = relative mortality per year, blue = fertility):pic.twitter.com/FO2b8PilRq
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There are also species where fertility increases across lifetime:pic.twitter.com/OSS6lmLBuG
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The details here may be illegible, but what is visible is the great variation across species:pic.twitter.com/P8iXbwEF3t
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All in all, many of my preconceptions about mortality & fertility turn out to be wrong! Source:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4157354/ …
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End of conversation
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@gravity_levity@vgr more material for you.Thanks. Twitter will use this to make your timeline better. UndoUndo
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Is relative mortality the mortality rate relative to the mortality rate at mean life expectancy? The dotted line at one seems to intersect red at about 70 which seems right.
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It would be nice to have both curves on the same axis
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