What is the haploid stage in the life cycle of plants called and what does it produce?

What is the diploid stage in the life cycle of plants called and what does it produce?

In both fungi and plants, what specialized type of cell does meiosis produce? 

Sperm producing structures in non-vascular plants are known as while egg producing structures are known as _?

Fusion of the cytoplasm of 2 haploid cells without fusion of the nuclei is known as? 

Fusion of nuclei, following the fusion of the cytoplasm of 2 cells is known as? 

When 2 haploid cells fuse together and join cytoplasm but the haploid nuclei remain separate within the new cell, the new cell is said to be and is represented by the abbreviation.