TASK DEFINITION: In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
PROBLEM: Microsporophylls bear two to _ microsporangia.

SOLUTION: eight

PROBLEM: Cigarette smokers have up to a _ times higher incidence of bladder cancer than non-smokers.

SOLUTION: four

PROBLEM: Ringed seals are the main prey of polar bears that catch about _ seal every six and a half days.

SOLUTION:
one