instruction:
In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
question:
Violets usually have _ sepals at the base and have five petals.
answer:
five


question:
Willow flycatchers have a lifespan of _ to four years.
answer:
three


question:
Sexual reproduction is syngamy - the union of _ gametes.
answer:

two