---
title: "Meaning & Key Takeaway of: Causes of Variability — Effects of Habit…"
description: "\"“Causes of Variability — Effects of Habit and the use and disuse of Parts — Correlated Variation — Inheritance — Character of Domestic Varieties — Diff..."
image: "https://sms4smile.com/quotes/i/ece/charles-darwin-507_quote_causes-of-variability-effects-of-habit-a_1604710.jpg"
---

#  Causes of Variability — Effects of Habit and the use and…

![“Causes of Variability — Effects of Habit and the use and disuse of Parts — Correlated Variation — Inheritance — Character of Domestic Varieties — Difficulty of distinguishing between Varieties and Species — Origin of Domestic Varieties from one or more Species — Domestic Pigeons, their Differences…” quote by Charles Darwin](https://sms4smile.com/quotes/i/ece/charles-darwin-507_quote_causes-of-variability-effects-of-habit-a_1604710.jpg)   [Download](https://sms4smile.com/quotes/i/ece/charles-darwin-507_quote_causes-of-variability-effects-of-habit-a_1604710.jpg) [Open image](https://sms4smile.com/quotes/i/ece/charles-darwin-507_quote_causes-of-variability-effects-of-habit-a_1604710.jpg)

> ““Causes of Variability — Effects of Habit and the use and disuse of Parts — Correlated Variation — Inheritance — Character of Domestic Varieties — Difficulty of distinguishing between Varieties and Species — Origin of Domestic Varieties from one or more Species — Domestic Pigeons, their Differences and Origin — Principles of Selection, anciently followed, their Effects — Methodical and Unconscious Selection — Unknown Origin of our Domestic Productions — Circumstances favourable to Man's power of Selection.””

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

## About This Quote

This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation.

Variation arises from habits, use, and selection, shaping domestic species over time.

**In simple terms:** Habit and selection drive change in species.

Key Takeaway

Observe how habits influence outcomes.

Themes

evolution variation selection inheritance

Mood

analytical educational

Type

scientific explanatory

When to use this quote

- breeding programs
- conservation
- personal development

Key Concepts

natural selection genetics

Questions to Reflect On

- How do habits affect your personal growth?
- What role does selection play in cultural evolution?

A Different Perspective

Simplifies complex genetics to habit alone.

★ ★ ★ ★ ★   No ratings yet

[Evolution](https://sms4smile.com/quotes/about/evolution/)

## Related quotes

> [“Thus, as I believe, natural selection will tend in the long run to reduce any part of the organisation, as soon as it becomes,…](https://sms4smile.com/quotes/charles-darwin/thus-as-i-believe-natural-selection-will-tend-in-the-long-run-to/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

> [The survival or preservation of certain favoured words in the struggle for existence is natural selection.](https://sms4smile.com/quotes/charles-darwin/the-survival-or-preservation-of-certain-favoured-words-in-the/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

> [The chief distinction in the intellectual powers of the two sexes is shown by mans attaining to a higher eminence, in whatever he takes…](https://sms4smile.com/quotes/charles-darwin/the-chief-distinction-in-the-intellectual-powers-of-the-two-sexes-is/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

> [“To admit that species generally become rare before they become extinct—to feel no surprise at the comparative rarity of one species with another, and…](https://sms4smile.com/quotes/charles-darwin/to-admit-that-species-generally-become-rare-before-they-become/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

> [It may be said that natural selection is daily and hourly scrutinizing, throughout the world, every variation, even the slightest; rejecting that which is…](https://sms4smile.com/quotes/charles-darwin/it-may-be-said-that-natural-selection-is-daily-and-hourly/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

> [I am quite conscious that my speculations run beyond the bounds of true science…It is a mere rag of an hypothesis with as many…](https://sms4smile.com/quotes/charles-darwin/i-am-quite-conscious-that-my-speculations-run-beyond-the-bounds-of/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

> [Perhaps no order of mammals presents us with so extraordinary a series of gradations as this \[step by step, from humans to apes to…](https://sms4smile.com/quotes/thomas-huxley/perhaps-no-order-of-mammals-presents-us-with-so-extraordinary-a/)

[Thomas Huxley](https://sms4smile.com/quotes/author/thomas-huxley/)

> [The fact -- not theory -- that evolution has occurred and the Darwinian theory as to how it occurred have become so confused in…](https://sms4smile.com/quotes/george-gaylord-simpson/the-fact-not-theory-that-evolution-has-occurred-and-the-darwinian/)

[George Gaylord Simpson](https://sms4smile.com/quotes/author/george-gaylord-simpson/)

> [Guns have little or nothing to do with juvenile violence. The causes of youth violence are working parents who put their kids into daycare,…](https://sms4smile.com/quotes/tom-delay/guns-have-little-or-nothing-to-do-with-juvenile-violence-the-causes/)

[Tom DeLay](https://sms4smile.com/quotes/author/tom-delay/)

> [We became Homo sapiens not that long ago, from the scientific perspective, and we've retained a lot of our beast nature. We've done all…](https://sms4smile.com/quotes/wangechi-mutu/we-became-homo-sapiens-not-that-long-ago-from-the-scientific/)

[Wangechi Mutu](https://sms4smile.com/quotes/author/wangechi-mutu/)

> [“Genetics is a science full of gods, Mr. Sanchez.”](https://sms4smile.com/quotes/valeria-luiselli/genetics-is-a-science-full-of-gods-mr-sanchez/)

[Valeria Luiselli](https://sms4smile.com/quotes/author/valeria-luiselli/)

> [If the polymer chain assumes a helicoidal conformation in the crystalline state, and if it does not contain asymmetric carbon atoms, it can be…](https://sms4smile.com/quotes/giulio-natta/if-the-polymer-chain-assumes-a-helicoidal-conformation-in-the/)

Giulio Natta

> [“A question for Christians who accept evolution: When did we gain a "soul"? Did Homo habilis have a soul? Homo ergaster? Did God only…](https://sms4smile.com/quotes/david-g-mcafee/a-question-for-christians-who-accept-evolution-when-did-we-gain-a/)

[David G. McAfee](https://sms4smile.com/quotes/author/david-g-mcafee/)

> [At the deepest level, all living things that have ever been looked at have the same DNA code. And many of the same genes.](https://sms4smile.com/quotes/richard-dawkins/at-the-deepest-level-all-living-things-that-have-ever-been-looked-at/)

[Richard Dawkins](https://sms4smile.com/quotes/author/richard-dawkins/)

> [I rap when I'm rich. I rap when I'm broke. I rap when I'm bullshit in the street. I rap about only having one…](https://sms4smile.com/quotes/killer-mike/i-rap-when-i-m-rich-i-rap-when-i-m-broke-i-rap-when-i-m-bullshit-in/)

[Killer Mike](https://sms4smile.com/quotes/author/killer-mike/)

## More by Charles Darwin

> [The love for all living creatures is the most noble attribute of man.](https://sms4smile.com/quotes/charles-darwin/the-love-for-all-living-creatures-is-the-most-noble-attribute-of-man/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

> [The main conclusion here arrived at ... is that man is descended from some less highly organized form.](https://sms4smile.com/quotes/charles-darwin/the-main-conclusion-here-arrived-at-is-that-man-is-descended-from/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

> [So great is the economy of nature, that most flowers which are fertilised by crepuscular or nocturnal insects emit their odour chiefly or exclusively…](https://sms4smile.com/quotes/charles-darwin/so-great-is-the-economy-of-nature-that-most-flowers-which-are/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

> [I see no good reasons why the views given in this volume should shock the religious views of anyone.](https://sms4smile.com/quotes/charles-darwin/i-see-no-good-reasons-why-the-views-given-in-this-volume-should-shock/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

> [I am quite conscious that my speculations run beyond the bounds of true science…It is a mere rag of an hypothesis with as many…](https://sms4smile.com/quotes/charles-darwin/i-am-quite-conscious-that-my-speculations-run-beyond-the-bounds-of/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

> [If worms have the power of acquiring some notion, however rude, of the shape of an object and over their burrows, as seems the…](https://sms4smile.com/quotes/charles-darwin/if-worms-have-the-power-of-acquiring-some-notion-however-rude-of-the/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

> [We can allow satellites, planets, suns, universe, nay whole systems of universes, to be governed by laws, but the smallest insect, we wish to…](https://sms4smile.com/quotes/charles-darwin/we-can-allow-satellites-planets-suns-universe-nay-whole-systems-of/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

> [Formerly Milton's Paradise Lost had been my chief favourite, and in my excursions during the voyage of the Beagle, when I could take only…](https://sms4smile.com/quotes/charles-darwin/formerly-milton-s-paradise-lost-had-been-my-chief-favourite-and-in-my/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

> [May we not suspect that the vague but very real fears of children, which are quite independent of experience, are the inherited effects of…](https://sms4smile.com/quotes/charles-darwin/may-we-not-suspect-that-the-vague-but-very-real-fears-of-children/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

> [It may be said that natural selection is daily and hourly scrutinizing, throughout the world, every variation, even the slightest; rejecting that which is…](https://sms4smile.com/quotes/charles-darwin/it-may-be-said-that-natural-selection-is-daily-and-hourly/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

> [“Darwin, landing in Brazil in 1832, had a similar reaction, colored by his reading of his predecessor." Humboldt's glorious descriptions are &amp; will for…](https://sms4smile.com/quotes/charles-darwin/darwin-landing-in-brazil-in-1832-had-a-similar-reaction-colored-by/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

> [...all nature is perverse &amp; will not do as I wish it.](https://sms4smile.com/quotes/charles-darwin/all-nature-is-perverse-will-not-do-as-i-wish-it/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

> [“To admit that species generally become rare before they become extinct—to feel no surprise at the comparative rarity of one species with another, and…](https://sms4smile.com/quotes/charles-darwin/to-admit-that-species-generally-become-rare-before-they-become/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

> [To suppose that the eye could have been formed by natural selection, seems, I freely confess, absurd in the highest possible degree](https://sms4smile.com/quotes/charles-darwin/to-suppose-that-the-eye-could-have-been-formed-by-natural-selection/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

> [It is interesting to contemplate an entangled bank clothed with many plants of many kinds with birds singing on the bushes, with various insects…](https://sms4smile.com/quotes/charles-darwin/it-is-interesting-to-contemplate-an-entangled-bank-clothed-with-many/)

[Charles Darwin](https://sms4smile.com/quotes/author/charles-darwin/)

[Explore all 497 Charles Darwin quotes ](https://sms4smile.com/quotes/author/charles-darwin/)

## More Evolution quotes

> [I rap when I'm rich. I rap when I'm broke. I rap when I'm bullshit in the street. I rap about only having one…](https://sms4smile.com/quotes/killer-mike/i-rap-when-i-m-rich-i-rap-when-i-m-broke-i-rap-when-i-m-bullshit-in/)

[Killer Mike](https://sms4smile.com/quotes/author/killer-mike/)

> [At the deepest level, all living things that have ever been looked at have the same DNA code. And many of the same genes.](https://sms4smile.com/quotes/richard-dawkins/at-the-deepest-level-all-living-things-that-have-ever-been-looked-at/)

[Richard Dawkins](https://sms4smile.com/quotes/author/richard-dawkins/)

> [“A question for Christians who accept evolution: When did we gain a "soul"? Did Homo habilis have a soul? Homo ergaster? Did God only…](https://sms4smile.com/quotes/david-g-mcafee/a-question-for-christians-who-accept-evolution-when-did-we-gain-a/)

[David G. McAfee](https://sms4smile.com/quotes/author/david-g-mcafee/)

> [If the polymer chain assumes a helicoidal conformation in the crystalline state, and if it does not contain asymmetric carbon atoms, it can be…](https://sms4smile.com/quotes/giulio-natta/if-the-polymer-chain-assumes-a-helicoidal-conformation-in-the/)

Giulio Natta

> [“Genetics is a science full of gods, Mr. Sanchez.”](https://sms4smile.com/quotes/valeria-luiselli/genetics-is-a-science-full-of-gods-mr-sanchez/)

[Valeria Luiselli](https://sms4smile.com/quotes/author/valeria-luiselli/)

> [We became Homo sapiens not that long ago, from the scientific perspective, and we've retained a lot of our beast nature. We've done all…](https://sms4smile.com/quotes/wangechi-mutu/we-became-homo-sapiens-not-that-long-ago-from-the-scientific/)

[Wangechi Mutu](https://sms4smile.com/quotes/author/wangechi-mutu/)

> [Guns have little or nothing to do with juvenile violence. The causes of youth violence are working parents who put their kids into daycare,…](https://sms4smile.com/quotes/tom-delay/guns-have-little-or-nothing-to-do-with-juvenile-violence-the-causes/)

[Tom DeLay](https://sms4smile.com/quotes/author/tom-delay/)

> [The fact -- not theory -- that evolution has occurred and the Darwinian theory as to how it occurred have become so confused in…](https://sms4smile.com/quotes/george-gaylord-simpson/the-fact-not-theory-that-evolution-has-occurred-and-the-darwinian/)

[George Gaylord Simpson](https://sms4smile.com/quotes/author/george-gaylord-simpson/)

> [Perhaps no order of mammals presents us with so extraordinary a series of gradations as this \[step by step, from humans to apes to…](https://sms4smile.com/quotes/thomas-huxley/perhaps-no-order-of-mammals-presents-us-with-so-extraordinary-a/)

[Thomas Huxley](https://sms4smile.com/quotes/author/thomas-huxley/)

> [Evolution happens in jumps, very rapidly.](https://sms4smile.com/quotes/marilyn-ferguson/evolution-happens-in-jumps-very-rapidly/)

[Marilyn Ferguson](https://sms4smile.com/quotes/author/marilyn-ferguson/)

> [The true nature of soul is right knowledge, right faith and right conduct. The soul, so long as it is subject to transmigration, is…](https://sms4smile.com/quotes/virchand-gandhi/the-true-nature-of-soul-is-right-knowledge-right-faith-and-right/)

[Virchand Gandhi](https://sms4smile.com/quotes/author/virchand-gandhi/)

> [“Toshiaki learned that all living organisms were governed by their DNA. He was impressed by perfection of this system.Why did existence have the ability…](https://sms4smile.com/quotes/hideaki-sena/toshiaki-learned-that-all-living-organisms-were-governed-by-their-dna/)

Hideaki Sena

> [The shelves of many evangelicals are full of books that point out the flaws in evolution, discuss it only as a theory, and almost…](https://sms4smile.com/quotes/francis-collins/the-shelves-of-many-evangelicals-are-full-of-books-that-point-out-the/)

[Francis Collins](https://sms4smile.com/quotes/author/francis-collins/)

> [I'm all about evolution. I'm the first person to judge myself.](https://sms4smile.com/quotes/the-weeknd/i-m-all-about-evolution-i-m-the-first-person-to-judge-myself/)

[The Weeknd](https://sms4smile.com/quotes/author/the-weeknd/)

> [The next evolution of content marketing is not more content; it's better distribution.](https://sms4smile.com/quotes/chris-penn/the-next-evolution-of-content-marketing-is-not-more-content-it-s/)

[Chris Penn](https://sms4smile.com/quotes/author/chris-penn/)

[Browse all 6,185 Evolution quotes ](https://sms4smile.com/quotes/about/evolution/)

```json
{
    "@context": "https://schema.org",
    "@graph": [
        {
            "@type": "Quotation",
            "text": "“Causes of Variability — Effects of Habit and the use and disuse of Parts — Correlated Variation — Inheritance — Character of Domestic Varieties — Difficulty of distinguishing between Varieties and Species — Origin of Domestic Varieties from one or more Species — Domestic Pigeons, their Differences and Origin — Principles of Selection, anciently followed, their Effects — Methodical and Unconscious Selection — Unknown Origin of our Domestic Productions — Circumstances favourable to Man's power of Selection.”",
            "creator": {
                "@type": "Person",
                "name": "Charles Darwin"
            },
            "isPartOf": {
                "@id": "https://sms4smile.com/quotes/#website"
            },
            "url": "https://sms4smile.com/quotes/charles-darwin/causes-of-variability-effects-of-habit-and-the-use-and-disuse-of/",
            "about": {
                "@type": "Thing",
                "name": "Evolution"
            },
            "@id": "https://sms4smile.com/quotes/charles-darwin/causes-of-variability-effects-of-habit-and-the-use-and-disuse-of/#quotation",
            "image": {
                "@type": "ImageObject",
                "@id": "https://sms4smile.com/quotes/i/ece/charles-darwin-507_quote_causes-of-variability-effects-of-habit-a_1604710.jpg",
                "contentUrl": "https://sms4smile.com/quotes/i/ece/charles-darwin-507_quote_causes-of-variability-effects-of-habit-a_1604710.jpg",
                "url": "https://sms4smile.com/quotes/i/ece/charles-darwin-507_quote_causes-of-variability-effects-of-habit-a_1604710.jpg",
                "width": 1080,
                "height": 1080,
                "caption": "“Causes of Variability — Effects of Habit and the use and disuse of Parts — Correlated Variation…” — Charles Darwin",
                "creditText": "SMS4Smile Quotes",
                "creator": {
                    "@id": "https://sms4smile.com/quotes/#organization"
                }
            }
        },
        {
            "@type": "BreadcrumbList",
            "itemListElement": [
                {
                    "@type": "ListItem",
                    "position": 1,
                    "name": "Home",
                    "item": "https://sms4smile.com/"
                },
                {
                    "@type": "ListItem",
                    "position": 2,
                    "name": "Quotes",
                    "item": "https://sms4smile.com/quotes/"
                },
                {
                    "@type": "ListItem",
                    "position": 3,
                    "name": "Charles Darwin",
                    "item": "https://sms4smile.com/quotes/author/charles-darwin/"
                },
                {
                    "@type": "ListItem",
                    "position": 4,
                    "name": "“Causes of Variability — Effects of...",
                    "item": "https://sms4smile.com/quotes/charles-darwin/causes-of-variability-effects-of-habit-and-the-use-and-disuse-of/"
                }
            ],
            "@id": "https://sms4smile.com/quotes/charles-darwin/causes-of-variability-effects-of-habit-and-the-use-and-disuse-of/#breadcrumb"
        },
        {
            "@type": "WebSite",
            "@id": "https://sms4smile.com/quotes/#website",
            "name": "SMS4Smile Quotes",
            "url": "https://sms4smile.com/quotes/",
            "publisher": {
                "@id": "https://sms4smile.com/quotes/#organization"
            }
        },
        {
            "@type": "Organization",
            "@id": "https://sms4smile.com/quotes/#organization",
            "name": "SMS4Smile Quotes",
            "url": "https://sms4smile.com/quotes/",
            "logo": {
                "@type": "ImageObject",
                "url": "https://sms4smile.com/quotes/wp-content/themes/sq/assets/icons/icon-512.png",
                "width": 512,
                "height": 512
            }
        }
    ]
}
```
