How Is Fertilization Occurred In Poreila?
The neck canal cells and the venter canal cells of mature archegonia degenerate. They form mucilage-like substance. It exerts pressure and burst the cover cells. The mucilaginous fluid oozes out of ruptured neck and attracts the sperms. A large number of sperms collect near the neck. But only one of them passes down and fuses with the egg to form the oospore.