How long do we live? How long do individuals in other species live? Do most individuals die young or live to ripe old ages? Survivorship curves visually answer these demographic questions. Imagine a ...

George Gaylord Simpson was one of the first paleontologists to apply survivorship analysis to the study of fossil taxa. His finding that the survivorship curve for extant bivalve genera plotted above ...

A massive dinosaur death bed in Alberta has helped map out the animal's life span and thrown doubt on long-held theories about how one species lived, says new research conducted in part at the ...

For a survivorship curve to show a meaningful pattern, it is essential that a suitably homogeneous group is selected for analysis. If taxa have originated at different times in the geological record ...