TASK DEFINITION: In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
PROBLEM: Ospreys reach sexual maturity between _ and five years of age.

SOLUTION: three

PROBLEM: Excess potassium induces larval metamorphosis in _ marine invertebrate species.

SOLUTION: four

PROBLEM: Collision detection determines if _ objects collide with each other.

SOLUTION:
two