Question

what is meant by sex ratio​

Answer 1

Answer:

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.

Explanation:

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Answer 2

Sex ratio means number of females per 1000 males.

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Explanation: