$A$ -Spermatids formed from secondary spermatocytes.

$R$ -The spermatids are transformed into spermatozoa by the process called spermiogenesis.

Spermatogonia formed after which cell division

Release of spermatozoa from urethra by male animals is called

In humans, at the end of the first meiotic division, the male germ cells differentiate into the

Define spermiogenesis and spermiation.