That's a good question. I can imagine that there was a time before there was life on Earth, and then clearly there was a time X-hundred thousand years or a million years later when there were things that we would all recognize as biological.
What Causes High White Blood Cell Counts? White blood cell counts are elevated when the body is fighting an illness or disease, so a high count is indicative of an infection. Often, your doctor will order another round of tests after he or she determines you have a high white blood cell count.
The same mutation can trigger the bone marrow to release too many white blood cells. Finally, myelofibrosis can also cause an elevated white blood cell count. This condition is caused by the abnormal production of blood cells, increasing the white blood cell count during the initial period of an inflammation.