â¦longevity of seeds, the dormant embryo plant contained within the seed will lose its viability (ability to grow) if germination fails to occur within a certain time. Reports of the sprouting of wheat taken from Egyptian tombs are unfounded, but some seeds do retain their viability a long time.
Implantation bleeding-Spotting during pregnancy may be caused by implantation. Implantation bleeding occurs after the egg burrows into the lining of the uterus. As the egg implants into the lining sometimes a little bit of bleeding will occur.
Light bleeding, or spotting, during pregnancy is common, especially during the first trimester. Usually this is no cause for alarm. It is considered spotting when you notice a few drops of blood occasionally in your underwear. There is not even enough blood to cover a panty liner. Bleeding is a heavier flow of blood.