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6 results for “egg loss”
Fig. 1 in The Influence Of Nest Size On Heat Loss Of Penduline Tit Eggs
Fig. 1. Changes in internal egg temperatures (mean °C) during trials with Penduline Tit nests (treatments: ambient temperature – clutch size)
Fig. 2 in The Influence Of Nest Size On Heat Loss Of Penduline Tit Eggs
Fig. 2. Effects of nest thickness on terminal temperatures in relation to ambient temperature and clutch size. Each symbol represents one nest (N= 20 nests, all nests were measured in all treatments). We used least-squares regression to estimate the best fit to each pair of treatments separately (regression equations, 25°C & 9 eggs: terminal temperature = 27.64 + 0.05 × nest thickness; 25°C & 3 eggs: terminal temperature = 27.56 + 0.01 × nest thickness; 10°C & 9 eggs: terminal temperature = 16.29 + 0.19 × nest thickness; 10°C & 3 eggs: terminal temperature = 15.66 + 0.08 × nest thickness)
Data from: Rapid evolutionary loss of metal resistance revealed by hatching decades-old eggs
We investigated the evolutionary response of an ecologically important freshwater crustacean, Daphnia, to a rapidly changing toxin environment. From the 1920s until the 1960s, the use of leaded gasoline caused the aquatic concentration of Pb to increase at least 5-fold, presumably exerting rapid selective pressure on organisms for resistance. We predicted that Daphnia from this time of intense pollution would display greater resistance than those hatched from times of lower pollution. This question was addressed directly using the resurrection ecology approach, whereby dormant propagules from focal time periods were hatched and compared. We hatched several Daphnia genotypes from each of two Swiss lakes, during times of higher (1960s / 1980s) and lower (2000s) lead stress, and compared their life histories under different laboratory levels of this stressor. Modern Daphnia had significantly reduced fitness, measured as the population growth rate (λ), when exposed to lead, while those genotypes hatched from times of high lead pollution did not display this reduction. These phenotypic differences contrast with only slight differences measured at neutral loci. We infer that Daphnia in these lakes were able to rapidly adapt to increasing lead concentrations, and just as rapidly lost this adaptation when the stressor was removed.
Data from: Rapid evolutionary loss of metal resistance revealed by hatching decades-old eggs
Open the record for dataset details and reuse information.
The chicken or the egg? Plastome evolution and an independent loss of the inverted repeat in papilionoid legumes
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Effects of Dietary Pork and Egg on Appetite, Meal-patterning, and Weight Loss in Men
ClinicalTrials.gov study NCT00812162. IPD Sharing: Not stated. Countries: 1. Publications: 0.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.