Answer: Spermatogenesis begins at birth and continues throughout a man's life.
The process in which
haploid spermatozoa develop from germ cells in the seminiferous tubules of the
testis is known as Spermatogenesis. Thus, the process of spermatogenesis start
with mitotic division of the stem cells that is located close to the basement
membrane of the tubules. However, a mature male gametes known as sperm but it
is commonly known as spermatozoa.
Answer:
Overreacts to an antigen.
Explanation:
Thats what an allergy is if you think about it
Answer:
Hitched a ride or Humans brought it and planted it.
Explanation:
Because without it you would have no support to stand