This inherent complexity arising from manifold levels of organization
within multicellular life forms requires that genome maintenance, the DNA damage response (DDR) and defense strategies are tightly linked and highly coordinated processes.
Not exact matches
If we suppose the continental - tectonic cycle is of the order of 500 Myrs, and there wasn't much
multicellular life before the Cambrian, that gives us a kind of time limit
within which we might look.