We used quantitative methods to better understand the perceptions of students in an introductory biology course (Biology 101) at a small, liberal arts college (SLAC) that is also a primarily white institution (PWI). In pre/post surveys, we asked students questions related to their attitudes and beliefs about their professor, classmates, and Biology 101. We were especially interested in the responses and outcomes of underrepresented minorities (URM) and first-generation (FG) students. Our findings suggest URM and FG students have a decreased sense of belonging and increased perceptions of exclusion and differential treatment due to race. These findings can explain, in part, the disparity in Biology 101 grade and STEM (science, technology, engineering, and math) attrition.
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http://dx.doi.org/10.1128/jmbe.00176-21 | DOI Listing |
Food Res Int
February 2025
College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China. Electronic address:
This study aimed to investigate the impact of X-ray irradiation pretreatment at varying doses (0.5, 1.0, 1.
View Article and Find Full Text PDFAquat Toxicol
January 2025
College of Animal Science and Technology, Henan University of Science and Technology, Luoyang, Henan 471003, China. Electronic address:
The hepatotoxicity of microplastics (MPs) has garnered increasing attention, but their effects on elderly organisms remain inadequately characterized, particularly concerning hepatic stress response patterns in environmental conditions. In this study, a 10-day exposure period of elderly zebrafish to polystyrene microplastics (PS-MPs, 1 µm) was conducted, with exposure concentrations set at 5.6 × 10 µg/L, 5.
View Article and Find Full Text PDFBull Math Biol
January 2025
Department of Mathematics, Vivekananda College, Kolkata, West Bengal, 700063, India.
The extinction of species is a major threat to the biodiversity. Allee effects are strongly linked to population extinction vulnerability. Emerging ecological evidence from numerous ecosystems reveals that the Allee effect, which is brought on by two or more processes, can work on a single species concurrently.
View Article and Find Full Text PDFR Soc Open Sci
January 2025
Department of Hydrobiology, Institute of Ecology, Faculty of Biology, University of Warsaw, Żwirki i Wigury 101, Warsaw 02-089, Poland.
Many studies have shown that prey can optimize their defence mechanisms based on cues indicating predator presence and pressure. However, little is known about whether prey can assess the actual threat by considering both predator density and the motivational state of cannibalistic predators, which can be influenced by threats from higher order predators. We conducted laboratory experiments to test the hypothesis that high predator density, combined with chemical cues indicating predator stress (e.
View Article and Find Full Text PDFInt Arch Otorhinolaryngol
January 2025
Program in Rehabilitation Sciences, Universidade Estadual de Londrina (UEL)/Universidade Pitágoras Unopar Anhanguera (UNOPAR), Londrina, PR, Brazil.
Few studies have investigated the relationship between cytokines and dizziness in elderly individuals. To assess the levels of inflammatory biomarkers and their relationship with quality of life (QoL) among elderly individuals with dizziness. We conducted a cross-sectional study with 103 participants (90 women and 13 men) who were assessed through the Visual Analogue Scale (VAS) and the Dizziness Handicap Inventory (DHI).
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