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Articles 1 - 8 of 8
Full-Text Articles in Other Animal Sciences
Starvation Resistance Is Associated With Developmentally Specified Changes In Sleep, Feeding And Metabolic Rate, Elizabeth B. Brown, Melissa E. Slocumb, Milan Szuperak, Arianna Kerbs, Allen G. Gibbs, Matthew S. Kayser, Alex C. Keene
Starvation Resistance Is Associated With Developmentally Specified Changes In Sleep, Feeding And Metabolic Rate, Elizabeth B. Brown, Melissa E. Slocumb, Milan Szuperak, Arianna Kerbs, Allen G. Gibbs, Matthew S. Kayser, Alex C. Keene
Life Sciences Faculty Research
Food shortage represents a primary challenge to survival, and animals have adapted diverse developmental, physiological and behavioral strategies to survive when food becomes unavailable. Starvation resistance is strongly influenced by ecological and evolutionary history, yet the genetic basis for the evolution of starvation resistance remains poorly understood. The fruit fly Drosophila melanogaster provides a powerful model for leveraging experimental evolution to investigate traits associated with starvation resistance. While control populations only live a few days without food, selection for starvation resistance results in populations that can survive weeks. We have previously shown that selection for starvation resistance results in increased …
Pronghorn (Antilocapra Americana) Offspring Recruitment On The Carrizo Plain National Monument: Evaluating The Effects Of Low Population Density And Marginal Habitat Quality., Diego Ramirez Johnson
Pronghorn (Antilocapra Americana) Offspring Recruitment On The Carrizo Plain National Monument: Evaluating The Effects Of Low Population Density And Marginal Habitat Quality., Diego Ramirez Johnson
UNLV Theses, Dissertations, Professional Papers, and Capstones
Demographic fluctuation among ungulate populations is strongly linked to variability in recruitment. Rates of recruitment are subject to various forms of density-dependent and density-independent regulation. For species which benefit from the presence of conspecifics, reduced population density can decrease rates of recruitment and trigger a decline in per capita growth. Termed the Allee effect, this scenario can cause demographic collapse and population extinction. For many ungulate species, predation on juveniles is reduced when the timing and distribution of births is synchronized within a local population. Because birth synchrony is density-dependent, it may act as a mechanism for the Allee effect …
Life History Tradeoffs And The Costs Of Reproduction In Arizona Bark Scorpions (Centruroides Sculpturatus), Michael Marie Webber
Life History Tradeoffs And The Costs Of Reproduction In Arizona Bark Scorpions (Centruroides Sculpturatus), Michael Marie Webber
UNLV Theses, Dissertations, Professional Papers, and Capstones
Tradeoffs in life history evolution result from conflicts in the time and energy that can be simultaneously invested in activities such as growth, reproduction, and survival. Reproduction is an energetically costly activity for organisms, and is known to elicit alterations in the daily activity patterns of individuals. I investigated reproductive tradeoffs in the Arizona Bark Scorpion,Centruroides sculpturatus. To better understand the nature of tradeoffs in this species, I examined the influence of reproductive state on the predatory efficiency and thermal preference of reproductive females. Further, I examined the influence of reproductive activities (i.e. gestation) on the ability of reproductive females …
Unlv Magazine, Tony Allen, Shane Bevell, Donna Mcaleer, Ched Whitney, Cate Weeks
Unlv Magazine, Tony Allen, Shane Bevell, Donna Mcaleer, Ched Whitney, Cate Weeks
UNLV Magazine
No abstract provided.
Unlv Magazine, Matthew K. Jacobsen, Holly Ivy De Vore, Lisa Arth, Cate Weeks, Greg Lacour, Tony Allen, Afsha Bawany, Barbara Cloud, Gian Galassi, Phil Hagen, Karyn S. Hollingsworth, Michelle Mouton, Erin O'Donnell
Unlv Magazine, Matthew K. Jacobsen, Holly Ivy De Vore, Lisa Arth, Cate Weeks, Greg Lacour, Tony Allen, Afsha Bawany, Barbara Cloud, Gian Galassi, Phil Hagen, Karyn S. Hollingsworth, Michelle Mouton, Erin O'Donnell
UNLV Magazine
No abstract provided.
Unlv Magazine, Michelle Mouton, Tony Allen, Afsha Bawany, Shane Bevell, Phil Hagen, Greg Lacour, Erin O'Donnell, Karyn S. Hollingsworth
Unlv Magazine, Michelle Mouton, Tony Allen, Afsha Bawany, Shane Bevell, Phil Hagen, Greg Lacour, Erin O'Donnell, Karyn S. Hollingsworth
UNLV Magazine
No abstract provided.
Inside Unlv, Diane Russell, Shane Bevell, Jennifer Vaughan
Inside Unlv, Diane Russell, Shane Bevell, Jennifer Vaughan
Inside UNLV
No abstract provided.
Inside Unlv, Cate Weeks, Diane Russell, David Ashley, Grace Russell
Inside Unlv, Cate Weeks, Diane Russell, David Ashley, Grace Russell
Inside UNLV
No abstract provided.