Given a sentence, fill out the missing word with a 'no' or a number (between zero and ten). You should write the numbers with english alphabet, like: four instead of 4.

[EX Q]: Most aquatic life does well in water with oxygen concentrations of ____ parts per million.
[EX A]: nine

[EX Q]: Animals exhibit ____ patterns for bringing sperm and eggs together.
[EX A]: two

[EX Q]: Genes are difficult to identify because they are hidden amongst only ____ per cent of the genome.
[EX A]:
five