_____ refers to the number of females per 1000 males in a given area at a specified time period.
Answer & explanation
Correct answer: option 3
The sex ratio refers to the number of females per 1000 males in a given area at a specified time period.
_____ refers to the number of females per 1000 males in a given area at a specified time period.
Correct answer: option 3
The sex ratio refers to the number of females per 1000 males in a given area at a specified time period.