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, long ago established as important for healthy bones, is also significant in the brain during development and as we age. Vitamin D has many roles in regulating brain health, from aiding the development of the brain and nervous system to postponing decline toward the end of life, according to a growing body of research.