a pebble is formed immediately after equal & fertilization is a stage in the sexual reproduction process ->  if a zygote is formed then a sexual reproduction process has happened  if a zygote is formed then a sexual reproduction process has happened & a teacher observes the moderate of computer by zero of the lawn -> a sexual reproduction process has happened in the protists that the student observed a sexual reproduction process has happened in the protists that the student observed  volvox is a kind of protist & returns reproduces sexually -> volvox is a kind of protist that reproduces sexually volvox is a kind of protist that reproduces sexually  a sexual reproduction process has happened in the protists that the student observed & begins is a mean of fruit that reproduces sexually -> the protist may be volvox