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Fehtuvannya penisami ce shlyubna povedinka bagatoh vidiv ploskih cherv yakiv takih yak Pseudobiceros hancockanus Vidi yaki zajmayutsya ciyeyu praktikoyu ye germafroditnimi kozhna osobina maye yak yayechniki sho viroblyayut yajceklitini tak i yayechka sho viroblyayut spermu 1 Dva ploskih chervi vidu Pseudobiceros bedfordi gotuyutsya do fehtuvannya penisami P bedfordi vinyatkovij tim sho vin nanosit spermu na shkiru partnera a ne in yekcijno Ploski chervi fehtuyut za dopomogoyu visuvnih dvogolovih stiletiv shozhih na kindzhal Ci stileti zagostreni a u deyakih vidiv gachkuvati shob prokoloti epidermis svogo partnera ta vvesti spermu v gemocel u akti vidomomu yak vnutrishnye pidshkirne zaplidnennya abo travmatichne zaplidnennya en Pari mozhut konkuruvati koli lishe odna osobina peredaye spermu inshij abo para mozhe peredavati spermu dvostoronno Obidvi formi perenesennya spermatozoyidiv mozhut vidbuvatisya v odnogo vidu zalezhno vid riznih faktoriv 2 Zmist 1 Odnostoronnye perenesennya spermi 2 Dvostoronnye perenesennya spermi 3 Inshe vikoristannya 4 Div takozh 5 Primitki 6 PosilannyaOdnostoronnye perenesennya spermi RedaguvatiOdin organizm zaplidnyuye inshij prichomu osobina sho osimenyuye vistupaye v roli batka Sperma vsmoktuyetsya cherez pori abo inodi rani na shkiri zi stileta partnera viklikayuchi zaplidnennya v inshogo yakij staye matir yu 3 4 5 U deyakih vidiv bitva mozhe trivati do godini 6 Pologi nezvazhayuchi na te sho voni ye neobhidnimi dlya uspishnogo otrimannya potomstva potrebuyut znachnih vkladen chasu ta energiyi z boku batkiv i zgidno z principom Bejtmena majzhe zavzhdi obtyazhuyut matir Takim chinom z modeli optimalnosti en yak pravilo dlya organizmu krashe zaplidniti nizh buti zaplidnenim Odnak u bagatoh vidiv yaki berut uchast u cij formi kopulyativnogo zmagannya kozhen batko prodovzhuvatime fehtuvati z inshimi partnerami poki ne bude zaplidnennya U Alderia modesta osobini zberigayut spermu z kilkoh fehtuvalnih matchiv pered vidkladannyam yayec a menshi osobini chastishe zaplidnyuyut bilshogo partnera prichomu bilshi osobini vitrachayut bilshe energiyi na vidkladannya yayec u pari z menshim partnerom u razi koli vidbuvayetsya perenesennya spermi v odnostoronnomu poryadku 7 Za vidsutnosti potencijnih partneriv deyaki vidi taki yak Neobenedenia melleni zdatni do rozmnozhennya shlyahom samozaplidnennya en 8 Dvostoronnye perenesennya spermi RedaguvatiYak pravilo bagato germafroditnih vidiv vzayemno zaplidnyuyutsya abo obminyuyutsya spermoyu a ne konkuruyut napriklad Chelidonura sandrana 9 4 Tigrovij ploskij cherv yak Maritigrella crozieri takozh perenosit spermu dvostoronnim shlyahom 10 U bagatoh vidiv yaki zdijsnyuyut dvostoronnye zaplidnennya torgivlya spermoyu ye umovnoyu Yaksho odin partner obmanyuye i ne peredaye spermu inshij partner abo peredchasno pokine partnera abo bude brati uchast u tipovij shlyubnij povedinci bez peredachi spermi 9 11 Inshi vidi po cherzi zminyuyut partnera yakij peredaye spermu beruchi uchast u kilkoh napadah fehtuvannya z tim samim partnerom z chasom U A modesta dvostoronnye perenesennya spermatozoyidiv ye najposhirenishim osoblivo v parah partneriv odnakovogo rozmiru 7 Inshe vikoristannya RedaguvatiTermin takozh zastosovuyetsya zazvichaj neoficijno do gomoseksualnih vidnosin mizh dvoma samcyami sered bonobo tertya statevih organiv odniyeyi stati vikoristovuyetsya v suspilstvi bonobo dlya zmicnennya zv yazkiv zmenshennya konfliktiv i virazhennya spilnogo zahoplennya yizheyu 12 Kilka vidiv kitiv takozh zajmayutsya fehtuvannyam penisa 13 Div takozh RedaguvatiFrot Seksualnij konflikt en Travmatichne zaplidnennya en Lyubovnij drotik en Primitki Redaguvati Leslie Newman Fighting to mate flatworm penis fencing PBS Schmitt Valerie Anthes Nils Michiels Nico K 4 lipnya 2007 Mating behaviour in the sea slug Elysia timida Opisthobranchia Sacoglossa hypodermic injection sperm transfer and balanced reciprocity Frontiers in Zoology 4 17 ISSN 1742 9994 PMC 1934903 PMID 17610714 doi 10 1186 1742 9994 4 17 Michiels N K Newman L J 1998 Sex and violence in hermaphrodites Nature 391 6668 647 Bibcode 1998Natur 391 647M doi 10 1038 35527 a b Hermaphrodites duel for manhood Science News Online Accessed 14 March 2009 Arhivovano 26 bereznya 2008 u Wayback Machine Sonne L Coyote P Newman L 2001 The shape of life rm Television production PBS Procitovano 15 lyutogo 2010 World s Weirdest Flatworm Penis Fencing National Geographic Procitovano 14 chervnya 2014 a b Angeloni Lisa 21 zhovtnya 2002 Sexual selection in a simultaneous hermaphrodite with hypodermic insemination body size allocation to sexual roles and paternity Animal Behaviour 66 3 417 426 doi 10 1006 anbe 2003 2255 Arhiv originalu za 9 serpnya 2017 Procitovano 1 grudnya 2015 Kearn G Whittington I 2014 Sperm transfer in monogenean platyhelminth parasites Acta Parasitologica 60 4 567 600 DOI 10 1515 ap 2015 0082 a b Dall SR Wedell N 11 zhovtnya 2005 Evolutionary Conflict Sperm Wars Phantom Inseminations Current Biology 15 19 R801 R803 PMID 16213811 doi 10 1016 j cub 2005 09 019 Danh Nguyen What is the geometric probability of mating success in flatworms Platyhelminthes dspace nelson usf edu amer Arhiv originalu za 8 grudnya 2015 Procitovano 2 grudnya 2015 Anthes Nils Putz Annika Michiels Nico K 11 zhovtnya 2005 Gender trading in a hermaphrodite Current Biology 15 19 R792 R793 PMID 16213807 doi 10 1016 j cub 2005 09 035 De Waal Frans B M 1 chervnya 2006 Bonobo Sex and Society Scientific American Procitovano 27 zhovtnya 2018 Bruce Bagemihl Biological Exuberance Animal Homosexuality and Natural Diversity St Martin s Press 1999 ISBN 978 0312253776Posilannya Redaguvati angl Divni rituali sparovuvannya tvarin Meet the Penis Fencing Flatworm The Mating Game YouTube angl BBC Earth nbsp Cya stattya ye zagotovkoyu Vi mozhete dopomogti proyektu dorobivshi yiyi Ce povidomlennya varto zaminiti tochnishim Otrimano z https uk wikipedia org w index php title Fehtuvannya penisami amp oldid 40645672