Investasi orang tua, dalam biologi evolusioner dan psikologi evolusioner adalah setiap pengeluaran orang tua (misalnya waktu, energi, sumber daya) yang bermanfaat bagi keturunannya.[1][2] Investasi orang tua dapat dilakukan oleh laki-laki dan perempuan (pengasuhan biparental), perempuan sendiri (pengasuhan ibu eksklusif) atau laki-laki sendiri (pengasuhan ayah eksklusif). Perawatan dapat diberikan pada setiap tahap kehidupan anak, dari pra-kelahiran (misalnya menjaga telur dan inkubasi pada burung, dan nutrisi plasenta pada mamalia) hingga pasca-kelahiran (misalnya penyediaan makanan dan perlindungan kepada anak).
Teori investasi orang tua pertama kali dicetuskan oleh Robert Trivers pada tahun 1972, teori ini memprediksi bahwa jenis kelamin yang berinvestasi lebih banyak pada keturunannya akan lebih selektif dalam memilih pasangan, dan jenis kelamin yang kurang berinvestasi akan memiliki persaingan intraseksual untuk mendapatkan pasangan. Teori ini telah berpengaruh dalam menjelaskan perbedaan jenis kelamin dalam seleksi seksual dan preferensi pasangan, di seluruh kerajaan hewan termasuk pada manusia.[2]
Artikel bertopik biologi ini adalah sebuah rintisan. Anda dapat membantu Wikipedia dengan mengembangkannya.
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「倉敷市駅」とは異なります。 この記事は検証可能な参考文献や出典が全く示されていないか、不十分です。出典を追加して記事の信頼性向上にご協力ください。（このテンプレートの使い方）出典検索?: 倉敷駅 – ニュース · 書籍 · スカラー · CiNii · J-STAGE · NDL · dlib.jp · ジャパンサーチ · TWL（2013年7月） 倉敷駅 南口（2023年7
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For the American Authors song, see Best Day of My Life. This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed.Find sources: The Best Day of My Life – news · newspapers · books · scholar · JSTOR (May 2019) (Learn how and when to remove this template message) 2002 Italian filmThe Best Day of My LifeDirected byCristina ComenciniWritt…
Political ideology within the socialist movement This article is about the political ideology within the socialist movement. For socialism emphasizing democracy sometimes described as social democracy, see Democratic socialism. For the policy regime in Northern Europe sometimes described as social democracy, see Nordic model. For the social welfare model in Western Europe sometimes described as social democracy, see Social market economy. See also: Social Democrats (disambiguation), Social Democ…
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Private university in Tamsui District, New Taipei City, Taiwan This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed.Find sources: Tamkang University – news · newspapers · books · scholar · JSTOR (August 2021) (Learn how and when to remove this template message) Tamkang University淡江大學 (Chinese)Former namesTamkang Juni…
Ternate beralih ke halaman ini. Untuk kegunaan lain, lihat Ternate (disambiguasi). Kota TernateKotaIkon Kota Ternate LambangJulukan: The Spice Island[1]Motto: Maku Gawene(Ternate) Saling Menyayangi[2]Kota TernatePetaTampilkan peta Maluku dan PapuaKota TernateKota Ternate (Indonesia)Tampilkan peta IndonesiaKoordinat: 0°47′N 127°22′E / 0.78°N 127.37°E / 0.78; 127.37Negara IndonesiaProvinsiMaluku UtaraJumlah satuan pemerintahan Daftar K…
This article is missing information about the reception to Souled Out (1997). Please expand the article to include this information. Further details may exist on the talk page. (September 2021) 1997 World Championship Wrestling pay-per-view event Souled Out (1997)Promotional poster featuring The Giant, Hollywood Hogan, Scott Hall, and Kevin NashPromotionWorld Championship WrestlingBrand(s)nWoDateJanuary 25, 1997[1]CityCedar Rapids, IowaVenueFive Seasons CenterAttendance5,120Tagline(s)Fin…
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Bishop of Brechin Gregory GregoirBishop of BrechinBrechin Cathedral with Irish round towerSeeBrechinIn office1218–1242x1246PredecessorHughSuccessorAlbinPersonal detailsBorn12th centuryunknownDied1242 x 1246unknownPrevious post(s)Archdeacon of Brechin Gregory of Brechin (died 1242x1246) was a 13th-century prelate based in the Kingdom of Scotland. Gregory's name appears for the first time in an Arbroath Abbey document dating between 1189 and 1198, when he is holding the office of Archdeacon of B…
American journalist and author (born 1955) Maria ShriverShriver in 201835th First Lady of CaliforniaIn roleNovember 17, 2003 – January 3, 2011GovernorArnold SchwarzeneggerPreceded bySharon DavisSucceeded byAnne Gust Brown Personal detailsBornMaria Owings Shriver (1955-11-06) November 6, 1955 (age 68)Chicago, Illinois, U.S.Political partyIndependent (2011–present)[1]Other politicalaffiliationsDemocratic (until 2011)Spouse Arnold Schwarzenegger (m.&…
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Suburb of Logan City, Queensland, AustraliaBannockburnLogan City, QueenslandRichland Drive, 2106BannockburnCoordinates27°45′36″S 153°11′32″E / 27.7600°S 153.1922°E / -27.7600; 153.1922 (Bannockburn (centre of suburb))Population756 (2016 census)[1] • Density473/km2 (1,220/sq mi)Postcode(s)4207Area1.6 km2 (0.6 sq mi)Time zoneAEST (UTC+10:00)Location 22.8 km (14 mi) SSE of Logan Central 41.6 km (…
Organic reaction of carbonyl compounds with amines to imines Reaction of cyclohexylamine with acetaldehyde forming an imine. Sodium sulfate removes water [1] In organic chemistry, alkylimino-de-oxo-bisubstitution is the organic reaction of carbonyl compounds with amines to imines.[2] The reaction name is based on the IUPAC Nomenclature for Transformations. The reaction is acid catalyzed and the reaction type is nucleophilic addition of the amine to the carbonyl compound followed …
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