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.
However, you ought to know, that spotting is a sign of pregnancy. Spotting, especially in the initial two weeks is caused by the implantation; i.e., the fertilized egg is attached to the lining of the uterus. This may cause slight bleeding, usually for a day, or two.