Sex ratio

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

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Notion

Domain

Science and technology

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What Wikipedia says

A sex ratio is the ratio of males to females in a population. As explained by Fisher's principle, for evolutionary reasons this is usually about equal in species which reproduce sexually. However, many species deviate from an even sex ratio, either periodically or permanently.

Excerpt from the Wikipedia article “Sex ratio”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Asus2004, CC BY-SA 4.0, via Wikimedia Commons.