Geologist here -- the delayed-evolution-of-lignase hypothesis has been criticized in the literature recently [1], but I'd say the jury's still out. [1] https:/

Geologist here -- the delayed-evolution-of-lignase hypothesis has been criticized in the literature recently [1], but I'd say the jury's still out. [1] https://doi.org/10.1073/pnas.1517943113 https://doi.org/10.1073/pnas.1517943113