Results 61 to 70 of about 238,301 (280)

Effects of visual and chemical cues on orientation behavior of the Red Sea hermit crab Clibanarius signatus

open access: yesJournal of Basic and Applied Zoology, 2012
Directional orientation of Clibanarius signatus toward different targets of gastropod shells was studied in a circular arena upon exposure to background seawater, calcium concentrations and predatory odor.
Tarek Gad El-Kareem Ismail
doaj   +1 more source

Cues of maternal condition influence offspring selfishness. [PDF]

open access: yesPLoS ONE, 2014
The evolution of parent-offspring communication was mostly studied from the perspective of parents responding to begging signals conveying information about offspring condition.
Janine W Y Wong   +2 more
doaj   +1 more source

Reproductive isolation between two populations of Aglaoctenus lagotis , a funnel-web wolf spider [PDF]

open access: yes, 2015
Aglaoctenus lagotis (Lycosidae: Sosippinae) is a spider that, in contrast to the predominant wandering habit of the family, constructs funnel webs.
Aisenberg   +86 more
core   +1 more source

Time after time – circadian clocks through the lens of oscillator theory

open access: yesFEBS Letters, EarlyView.
Oscillator theory bridges physics and circadian biology. Damped oscillators require external drivers, while limit cycles emerge from delayed feedback and nonlinearities. Coupling enables tissue‐level coherence, and entrainment aligns internal clocks with environmental cues.
Marta del Olmo   +2 more
wiley   +1 more source

Effects of mosquitofish (Gambusia affinis) cues on wood frog (Lithobates sylvaticus) tadpole activity

open access: yesActa Herpetologica, 2011
We examined the changes in activity of wood frog (Lithobates sylvaticus) tadpoles exposed to combinations of visual, chemical, and mechanical cues of the invasive mosquitofish (Gambusia affinis).
Katherine F. Buttermore   +4 more
doaj   +1 more source

Perch, Perca fluviatilis show a directional preference for, but do not increase attacks toward, prey in response to water-borne cortisol [PDF]

open access: yesPeerJ, 2017
In freshwater environments, chemosensory cues play an important role in predator-prey interactions. Prey use a variety of chemosensory cues to detect and avoid predators.
Lindsay J. Henderson   +2 more
doaj   +2 more sources

Synergistic effects of physical and chemical guidance cues on neurite alignment and outgrowth on biodegradable polymer substrates [PDF]

open access: yes, 2002
This article demonstrates that directional outgrowth of neurites is promoted by applying a combination of physical and chemical cues to biodegradable polymer substrates.
Jeftinija, Srdija   +3 more
core   +3 more sources

Conserved structural motifs in PAS, LOV, and CRY proteins regulate circadian rhythms and are therapeutic targets

open access: yesFEBS Letters, EarlyView.
Cryptochrome and PAS/LOV proteins play intricate roles in circadian clocks where they act as both sensors and mediators of protein–protein interactions. Their ubiquitous presence in signaling networks has positioned them as targets for small‐molecule therapeutics. This review provides a structural introduction to these protein families.
Eric D. Brinckman   +2 more
wiley   +1 more source

THE ART OF WAR: PATTERNS AND MECHANISMS UNDERLYING PREDATOR-INDUCED PLASTICITY OF AMPHIBIANS [PDF]

open access: yes, 2013
Organisms often employ phenotypic plasticity as a strategy to cope with variable environments. This is particularly true of predation threats, wherein prey induce defenses to reduce detection or capture by predators.
Relyea, Rick A, Shaffery, Heather M
core  

Predator avoidance in extremophile fish [PDF]

open access: yes, 2013
Extreme habitats are often characterized by reduced predation pressures, thus representing refuges for the inhabiting species. The present study was designed to investigate predator avoidance of extremophile populations of Poecilia mexicana and P ...
Arias-Rodriguez, Lenin   +7 more
core   +2 more sources

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