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.
Causes of Spotting During Early Pregnancy. Ectopic pregnancy-Spotting or bleeding during early pregnancy can be a symptom of an ectopic pregnancy. An ectopic pregnancy is a pregnancy where the fertilized egg attaches to someplace outside of the uterus.