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

[EX Q]: Individual caribou can lose up to _ pounds of blood during a summer season.
[EX A]: five

[EX Q]: Adult muskrats average one foot in length and _ pounds in weight.
[EX A]: three

[EX Q]: Bears have _ enemies other than humans.
[EX A]:
no