TASK DEFINITION: In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
PROBLEM: Some seeds can remain dormant for up to _ years.

SOLUTION: two

PROBLEM: Microsporophylls bear two to _ microsporangia.

SOLUTION: eight

PROBLEM: Recent research suggests that, on average, wild females give birth only every _ years.

SOLUTION:
eight