...1.INTRODUCTION Collective bargaining has been defined by different experts in different ways. Nevertheless, it is treated as a method by which problem of wages and conditions of employment are resolved peacefully and voluntarily between labor and management. However, the term collective bargaining is opposed to individual bargaining.
Definition of EMBRYO SAC. : the female gametophyte of a seed plant consisting of a thin-walled sac within the nucellus that contains the egg nucleus and other nuclei which give rise to endosperm on fertilization.See embryo sac defined for kids.ADVERTISEMENT. the female gametophyte of a seed plant consisting of a thin-walled sac within the nucellus that contains the egg nucleus and other nuclei which give rise to endosperm on fertilization. See embryo sac defined for kids. ADVERTISEMENT.
A structure called the yolk sac forms from the cells of the hypoblast.2 The yolk sac is a structure that provides nutrients from the mother to the embryo before the placenta is ready to function. A membrane called the amnion forms from the epiblast. The epiblast also gives rise to the entire head and body of the embryo.