Summary: The monoamines octopamine and tyramine play a pivotal role in the control of metabolism in invertebrates by regulating both energy intake and energy expenditure.
Relationships between the peak hypoxic ventilatory response and critical O2 tension in larval and adult zebrafish (Danio rerio)
Summary: The relationship between critical O2 tension and peak hypoxic ventilatory response is dependent on life history stage in zebrafish.
Compensatory changes in villus morphology of lactating Mus musculus in response to insufficient dietary protein
Summary: Insufficient dietary protein is linked to changes in enterocyte morphology resulting in increased villus height and absorptive surface in lactating mice; this flexibility may support compensatory protein assimilation through increased production of duodenally localized enzymes.
Phenotypic flexibility of metabolic rate and evaporative water loss does not vary across a climatic gradient in an Afrotropical passerine bird
Summary: Reaction norms for metabolic rate and evaporative water loss in response to thermal acclimation do not vary among populations across a climatic gradient in a subtropical, passerine bird.
Experimental modification of morphology reveals the effects of the zygosphene–zygantrum joint on the range of motion of snake vertebrae
Summary: The zygosphene–zygantrum joint is distinctive and universal in snake vertebrae; experimentally removing these structures revealed that they limit yaw and prevent vertebrae from reaching positions where roll can occur.
Highlighted Article: Experiments with a live captive predator, a predator mimic and direct measurements of predatory strike force show that body temperature affects susceptibility to bird predation for an intertidal limpet.
When the noise goes on: received sound energy predicts sperm whale responses to both intermittent and continuous navy sonar
Summary: Experimental exposure of sperm whales to continuous and pulsed sonar reveals that total pulse energy predicts cessation of foraging better than pulse amplitude or duty cycle.
Internal architecture of the mandibular condyle of rabbits is related to dietary resistance during growth
Summary: The trabecular structure of the mandibular condyle varies between rabbit groups raised on diets that differ in their mechanical properties and the timing of the introduction of mechanically challenging foods.
Dynamic multimodal interactions in navigating wood ants: what do path details tell us about cue integration?
Summary: Ants show a flexible response to multimodal information depending on the sensori-motor contingencies of the navigation task.
The ghost of temperature past: interactive effects of previous and current thermal conditions on gene expression in Manduca sexta
Summary: Repeated high temperature exposure has diverse consequences for gene expression patterns in two recently diverged populations of Manduca sexta, leading to thermal acclimation or increased stress responses.
Summary: Investigation of six species of disease vector mosquito larvae showed that each species exhibited strikingly different exploration behaviors. However, species behaved similarly when navigating to preferred cues.
Intraspecific variation in sensitivity to food availability and temperature-induced phenotypic plasticity in the rotifer Keratella cochlearis
Summary: Two neighboring populations of the widespread rotifer Keratella cochlearis exhibit differences in sensitivity to food availability with substantial phenotypic differences between them.
Summary: Limb dynamics in agility jumps of beginner and advanced dogs reveal general strategies of limb control and highlight differences between levels of skill during landing.
Preferential intracellular pH regulation is a common trait amongst fishes exposed to high environmental CO2
Highlighted Article: Preferential intracellular pH regulation is a common strategy of acid–base regulation in fishes acutely exposed to environmental PCO2 >4 kPa.
Summary: Examination of the faecal microbiome of ponies introduced to pasture reveals that metabolically healthy ponies have greater microbial stability when challenged with this dietary change, compared with ponies with insulin dysregulation.