Question

define sex ratio
I know meaning but not getting how to write it
plz help
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Answer 1

Answer:

it is the ratio of boys and girls per unit area

Answer 2

Explanation:

The sex ratio is the ratio of males to females in a population. In most sexually reproducing species, the ratio tends to be 1:1. This tendency is explained by Fisher's principle. For various reasons, however, many species deviate from anything like an even sex ratio, either periodically or permanently. Wikipedi

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