Sir Toby Belch is Olivia's drunken uncle, so he is not her suitor.
Antonio is a sea captain, and he is nobody's suitor.
Cesario is the person whom Orsino sends to woo Olivia for him, but falls in love with Viola.
So the correct answer, and Olivia's suitor is Sir Andrew Auguecheek.
Answer:
Amoebas, yeasts, hydras, and ferns only
Explanation:
In Asexual reproduction, one parent produces identical offspring.
Hope this helps :)