In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.

[EX Q]: Any number divided by itself equals _ , except if that number is zero .
[EX A]: one

[EX Q]: All Jovian planets have rings around their equators and at least _ moons.
[EX A]: eight

[EX Q]: Clothes moths go through _ distinct lifecycle periods with significant change at each stage.
[EX A]:
four