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.
Spotting is a common concern that many pregnant women face. Approximately 20% of women report they experience spotting during their first 12 weeks of pregnancy. Bleeding that occurs early on in pregnancy is usually lighter in flow than a menstrual period. Also, the color often varies from red to brown.