Question

what is the meaning of sex​

Answer 1

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.

Answer 2

Explanation:

either the male or female division of a species, especially as differentiated with reference to the reproductive functions.