Question

define the term sex ratio ?

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. Examples include parthenogenic species, periodically mating organisms such as aphids, some eusocial wasps such as Polistes fuscatus and Polistes exclamans, bees, ants, and termites.

if you find it useful than mark it as brainist and follow me please

Answer 2

number of female over per 1000 male is called sex ratio.