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

[Q]: Polymorphism occurs in all species and the mandibles bear _ teeth.
[A]: four


[Q]: Most orangutans are _ to five feet long, some can reach a length of six feet.
[A]: four


[Q]: Crustaceans have a body that is divided into _ segments, a head, thorax, and abdomen.
[A]:
three