Question

What happens to a spermatid to change it into a sperm cell?

Answer 1

i attaches it self with multipule others and morphs

Answer 2

for a spermatid to change into a sperm cell, it has to undergone spermiogenesis process
After this, the spermatid will start to grow a living thread develop a thickened mid piece,and formed an acrosome

hope this helps