Monkeys capuchins brainlargerelativetobodymass

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: ewer caloriesperunitofweight  HAIRY BODIES Professor L.M. Smolich 9. MATING SYSTEMS SDSU Fall 2011 11 Part III: Growth ad Development thru HMC LMS 16: Mammals and Primate Characteristics Biological Anthropology Social Organization Mating System Socialstructure :thisiswhattypeofgroupyouliveinand whatyourgeneralgrouplookslikeinitscomposition howanindividualrelatestoothermembersofitsspecies   AMatingSystemisdefinedas:whohasaccesstothe oppositesex( animalstypicallyliveinthesamekindofmatingsystemand socialstructure)andwhoismattingwithwhom Polygamy(specificallytwotypes) PolyandryandPolygyny Severalmale ­multifemalegroups Monogamy Noyau MM ­MFgroupswithpromiscuousmating Fission ­Fusiongroups MostAnimals AreNot Monogamous!!  TheseArePrimateResidencePatterns  Polyandry  Thesegroupsconsistof onefemaleandmultiple males,andshemateswith most/allofthem Thesemalesinvestalotin theiroffspring Thissystemisrareamong thenonhumanprimates. One ­male Group or Harem (polygyny) HanumanLangurs Manyprimatespeciesliveingroups consistingofasingleadultmalealong withseveralfemalesandtheir offspring Adultmalesnotlivingwithfemales formseparatebands(all  ­male)orlive aloneasbachelors Theone ­malegroupsareusually characterizedbyrepeatedeffortsby outsidemalestotakeovertheposition oftheresidentmale Inmanyinstances,dependentinfants changeinthestatusofaresidentmale  Competitionishighintheone  ­male society,andtheyhavethegreatest amountofsexualdimorphism  pygmy marmosets  Several male multi ­female groups Notstrictlypolygynous;thereis somemale ­malecompetition withafewmalesinthegroup. Theycontrolagroupoffemales andtheiroffspring. Gibbons(?) Groupsizeisgenerally15 ­30 Terrestrialgroupsaregenerallylarger Includes,forexample,some colobinesandlangurs,andsome cercopithecines(likemandrills)  Juvenilehowlermonkey Professor L.M. Smolich Monogamy Themonogamous"family" consistsofoneadultfemale, onemale,andtheiroffspring  Nonhumanprimatesthatare monogamoustendtomatefor lifeandareusuallyhighly territorial  Ineachcase,monogamous speciesexhibithighlyterritorial behaviors.Theyarehighly vocalanduseloudcallsto warnothersthatthey"own"a territory.Malesalsoprovidea highdegreeofparental investment  SDSU Fall 2011 12 Part III: Growth ad Development...
View Full Document

This note was uploaded on 09/14/2013 for the course ANTHRO 101 taught by Professor Riley during the Spring '12 term at San Diego State.

Ask a homework question - tutors are online