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

Q: Microsporophylls bear two to _ microsporangia.

A: eight
****
Q: Diarrhea is an illness that kills _ and one-half million children per year.

A: three
****
Q: Captive females begin to mate at eight or _ years of age.

A:
nine
****