Browsing Biological Sciences by Title
Now showing items 102-121 of 121
Seasonal Shifts in Reproduction Depend on Prey Availability for an Income Breeder
(2022-03-04)
The evolution of reproductive strategies depends on local environmental conditions. When environments are seasonal, selection favors individuals that align changes in key reproductive traits with seasonal shifts in habitat ...
Selective predation on Utah prairie dogs
(2023-05-17)
Predation always affects demography and population dynamics, but removal of certain types of individuals is especially consequential. Predators strike quickly and commonly avoid areas with human observers, however, and ...
Severe mammal declines coincide with proliferation of invasive Burmese pythons in Everglades National Park
(2022-09-15)
Invasive species represent a significant threat to global biodiversity and a substantial economic burden. Burmese pythons, giant constricting snakes native to Asia, now are found throughout much of southern Florida, including ...
Severe mammal declines coincide with proliferation of invasive Burmese pythons in Everglades National Park
(2020-04-01)
Invasive species represent a significant threat to global biodiversity
and a substantial economic burden. Burmese pythons, giant
constricting snakes native to Asia, now are found throughout
much of southern Florida, ...
Sex-Specific Effects of Incubation Temperature on Embryonic Development of Zebra Finch (Taeniopygia guttata) Embryos
(2022-03-04)
In oviparous species, the embryonic environmentparticularly temperaturecan alter phenotype and survival of an individual by affecting its size as well as its metabolic rate. Previous studies have shown that incubation ...
Siboglinid-bacteria endosymbiosis: A model system for studying symbiotic mechanisms
(2019-04-29)
Siboglinid worms are a group of gutless marine annelids which are nutritionally dependent upon endosymbiotic bacteria.1,2 Four major groups of siboglinids are known including vestimentiferans, Osedax spp., frenulates and ...
Southern Two-Lined Salamander Diets in Urban and Forested Streams in Western Georgia
(2022-03-03)
Streams are heavily affected by watershed urbanization as increased stormwater runoff changes their physical and chemical composition. Benthic macroinvertebrate species richness has been consistently shown to decline with ...
A test of reproductive power in snakes
(2022-12-06)
Reproductive power is a contentious concept among ecologists, and the model has been criticized on theoretical and empirical grounds. Despite these criticisms, the model has successfully predicted the modal (optimal) size ...
Thermal Spikes Caused by the Urban Heat Island Effect Result in Differential Egg Survival of a Non-native Lizard (Anolis cristatellus)
(2019-09-15)
Embryonic development in ectotherms is very sensitive to abiotic nest conditions. In reptiles, high incubation temperatures often result in relatively short incubation periods and large hatching size, but extremely high ...
Thermal Spikes Caused by the Urban Heat Island Effect Result in Differential Egg Survival of a Non-native Lizard (Anolis cristatellus)
(2019-09-15)
Embryonic development in ectotherms is very sensitive to abiotic nest conditions. In reptiles, high incubation temperatures often result in relatively short incubation periods and large hatching size, but extremely high ...
Thermal spikes from the urban heat island increase mortality and alter physiology of lizard embryos
(2022-03-13)
Effects of global change (i.e. urbanization, climate change) on adult organisms are readily used to predict the persistence of populations. However, effects on embryo survival and patterns of development are less studied, ...
Tracking transmission of apicomplexan symbionts in diverse Caribbean corals
(2019-05-10)
Symbionts in each generation are transmitted to new host individuals either vertically (parent to offspring), horizontally (from exogenous sources), or a combination of both. Scleractinian corals make an excellent study ...
Visitors to Southeastern Hawkmoth Flowers
(2022-07-29)
- Despite global concern for the status of animal pollinators, studies on
pollination systems in the southeastern United States are disproportionately low
compared to the diversity of this region. For example, sphingophilous, ...
The Vitamin A-Redox Hypothesis: A Biochemical Basis for Honest Signaling via Carotenoid Pigmentation
(2022-07-29)
Trade-offs in resource allocation have been widely stated as the means by which the honesty of ornamental traits is maintained, but an alternative to this resource trade-off hypothesis is that production of ornamentation ...
Why are incubation periods longer in the tropics? A common-garden experiment with house wrens reveals it is all in the egg
(2023-05-17)
Incubation periods of Neotropical birds are often longer than those of related species at temperate latitudes. We conducted a common-garden experiment to test the hypothesis that longer tropical incubation periods result ...
With Big Data Comes Big Responsibilities for Science Equity Research
(2020-05-26)
Our ability to collect and access large quantities of data over the last decade has been revolutionary for many social sciences. Suddenly, it is possible to measure human behavior, performance, and activity on an unprecedented ...