SpecializationSeminiferous EpitheliumBiological EvolutionPhylogenySertoli CellsBlood-Testis BarrierEcosystemSpecies SpecificityAdaptation, BiologicalFunctional LateralityEvolution, MolecularEcologyAnimal DistributionPollinationFalkland IslandsDominance, CerebralSpermatidsFeeding BehaviorAdaptation, PhysiologicalIntercellular JunctionsTarsiidaeMicroscopy, ElectronSpecialties, SurgicalHost SpecificityPerciformesFreeze FracturingBrain MappingSynapsesHydrazinesFossilsBiodiversityLorisidaePapio ursinusMolecular Sequence DataPredatory BehaviorAntsBirdsGenetic SpeciationPalaeognathaeIndazolesSeed DispersalOrchidaceaeSymbiosisPlant Physiological PhenomenaMedicineInsectsAcaciaBeakSpermatogenesisBrainPlant NectarEnvironmentNeuromuscular JunctionSympatryMagnetic Resonance ImagingAcoustic StimulationPlantsBeesThysanopteraReproductionReceptors, CholinergicChiropteraInformation TheoryNeuronsMolesFood ChainPaleontologyOsmium CompoundsAuditory PerceptionAxonsHospitals, SpecialBehavior, AnimalFaceEcotypeGene DuplicationModels, BiologicalGeographyVertebratesPhotic StimulationPopulation DynamicsSocial BehaviorPaleodontologyCetaceaPhthirapteraLarreaAgrinKillifishesStrepsirhiniPrimatesAir SacsLizardsNeural PathwaysDendritesHost-Parasite InteractionsSpatio-Temporal AnalysisTestisAmino Acid SequenceNitrogen IsotopesArthropod AntennaeHearing