...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 group of cells, situated at the opposite end to the micropyle, in the mature embryo sac of flowering plants. They are very large and have highly endopolyploid nuclei. A mechanism of fertilization in angiosperms, in which two sperm cells unite with two cells in the embryo sac to form the zygote and endosperm.