Spermatogenesis results in the formation of diploid cells uses mitosis to produce gamete cells involves a kind of cell division limited to the gametes is the process of releasing mature sperm cells into the lumen of the seminiferous tubule

Spermatogenesis is a process in which the main male sperm cells undergo meiosis in order to produce cells that are referred to as spermatogonia. In this process, the mitotic division of a diploid spermatogonium results to two diploid intermediate cells that are referred to as the spermatocytes.

tissue

explanation:

it is actually formed by geoup of cells which is tissue

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.