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

Q: Giraffes have two horns and _ or three knobs.

A: two
****
Q: Mature cysts have _ nuclei while the immature have two.

A: four
****
Q: Adolescent squirrels are sexually mature by ten months to _ year of age.

A:
one
****