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.
Bleeding in early pregnancy | Bleeding in later pregnancy | Spotting | What to do. What causes bleeding in early pregnancy? Vaginal bleeding can be triggered by the changes in your hormones during your menstrual cycle, which can cause breakthrough bleeding around the time you would usually have your period.