Results 211 to 220 of about 45,108 (330)

The Early Development of the Blue-Eye Cichlid, Cryptoheros spilurus (Cichliformes: Cichlidae). [PDF]

Evol Dev
Contreras-Tapia RA, Arroyave J, Garza-Mouriño G, Castellanos-Páez ME, Benítez-Díaz Mirón MI, Matamoros WA.   +5 more
europepmc   +1 more source

Sperm Transfer Under Behavioral and Morphological Constraints in the Orb‐Web Spider Genus Argiope

Integrative Zoology, EarlyView.
The polygamous mating system of the orb‐web spider genus Argiope provides a model to study the evolution of sperm transfer under morphological and behavioral constraints. This helps us to understand how male and female behavioral and morphological reproductive traits influence sperm transfer.
Chathuranga Dharmarathne, Donald J. McLean, Peter Michalik, M. E. Herberstein   +3 more
wiley   +1 more source

Comparative study of fetal facial shape between Japanese and North American populations using micro-CT. [PDF]

Sci Rep
Katsube M, Vora SR, Bortolussi S, Yamaguchi Y, Utsunomiya N, Yamada S, Morimoto N, Richman JM, Diewert VM.   +8 more
europepmc   +1 more source

An Overlooked Habitat‐Dependent Link Between Metabolism and Water Loss in Reptiles

Integrative Zoology, EarlyView.
We measured the gas exchange of six lizard and six snake species, under high and low air humidity, and two intriguing patterns emerged. First, although desert species lose less water via evaporation than similar‐sized mesic species under similar conditions, water loss is virtually the same when each is exposed to its natural conditions.
Shahar Dubiner, Shai Meiri, Eran Levin
wiley   +1 more source

Can the Timing of the Origin of Life Be Inferred from Trends in the Growth of Organismal Complexity? [PDF]

Life (Basel)
Juckett DA.
europepmc   +1 more source

Volumetric Comparison of Overall Brain and Neuropil Size Between Social and Non‐social Spiders: Exploring the Social Brain Hypothesis

Integrative Zoology, EarlyView.
Brain size may be influenced by the cognitive demands of sociality (social brain hypothesis). We used microCT to compare CNS and brain volumes in social versus solitary huntsman and crab spiders. Social huntsman spiders had larger arcuate and mushroom bodies, while social crab spiders had larger visual neuropils.
Vanessa Penna‐Gonçalves, Donald James Mclean, Nikolas J. Willmott, Michael B. J. Kelly, Jay R. Black, Elizabeth C. Lowe, Marie E. Herberstein   +6 more
wiley   +1 more source

Static allometries of caste-associated traits vary with genotype but not environment in the clonal raider ant. [PDF]

Proc Natl Acad Sci U S A
Piekarski PK, Valdés-Rodríguez S, Trible W, Kronauer DJC.   +3 more
europepmc   +1 more source

Assessing the Presence, Pattern, and Environmental Correlates of Seasonal Skin Thickening in Anurans

Integrative Zoology, EarlyView.
Histological sections, like that of the ventral pectoral skin of Lithobates pipiens, were measured to assess variation in skin thickness throughout the year in three North American anuran species. After correcting for individual body size, we test whether skin thickness changes throughout the year and which factors (environment or life history) explain
Collin S. VanBuren, Lily K. Bentley, David B. Norman, Nadia B. Fröbisch   +3 more
wiley   +1 more source

Mandibular Shape Variation, Allometry and Modularity in Adult Mesocephalic Dogs (<i>Canis lupus familiaris</i>): Insights into Morphological Integration and Animal Anatomy. [PDF]

Animals (Basel)
Contreras R, Salinas P.
europepmc   +1 more source

Allometry and Sexual Dimorphism in the Human Pelvis

The Anatomical Record, 2017
Barbara Fischer, P. Mitteroecker
semanticscholar   +1 more source