1 Identify the various parts of a typical flower and give their functions. 2  Relate the sequence of events that give rise to microspores and megaspores. 3  Describe the development of the male and female gametophyte.  Describe the double fertilization that occurs uniquely in the flowering-plant life cycle.
Codenamed Operation Overlord, the battle began on June 6, 1944, also known as D-Day, when some 156,000 American, British and Canadian forces landed on five beaches along a 50-mile stretch of the heavily fortified coast of Franceâs Normandy region.
Vitamin D is a nutrient found in some foods that is needed for health and to maintain strong bones. It does so by helping the body absorb calcium (one of bone's main building blocks) from food and supplements.