Instead, it stated that the decision to get routine screening mammograms before age 50 should be an individual one and take patient context into account, including the patient's values regarding specific benefits and harms..
The seed coat helps protect the embryo from mechanical injury, predators and drying out. Depending on its development, the seed coat is either bitegmic or unitegmic. Bitegmic seeds form a testa from the outer integument and a tegmen from the inner integument while unitegmic seeds have only one integument.
Seed plants germinate from seeds and grow in to a mature plant that has flowers and cones.the flower and cones have pollen and overies that combine to produce seeds and the pr â¦ ocess keeps going on. 10 people found this useful. Bruce Pedersen.85,734 Contributions. In the spermatophytes or seed bearing plants seeds aid in dispersal and in colonisation of harsh terrains. The endosperm and protective seed coat (testa) allow the seed to remain dormant until conditions are favourable for germination.