Organismal, population, evolutionary and ecological systems is a research area that investigates biological organization and processes from the level of individual organisms to interacting populations and communities, integrating mechanisms of evolution and ecological dynamics. It encompasses studies of organismal physiology, behavior and life histories; population structure, demography and genetics; evolutionary processes such as selection, drift, gene flow and speciation; and ecological interactions including competition, predation, mutualism and ecosystem functioning. This area emphasizes quantitative, often model-based approaches to understanding how traits, genes, environments and interactions shape biodiversity patterns, adaptive change and the stability and resilience of biological systems across spatial and temporal scales.
Songbirds, birds belonging to the Passeriformes order, are best known for their ability to produce complex musical sounds. Yet some songbird species also have another remarkable skill: They can easily remove the tough layer ...
Bull sharks have a slight preference for spending time with their relatives, new research shows.
Evolution
Aug 4, 2026
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A new study of bonnethead sharks (Sphyrna tiburo) in Florida dispelled a previous hypothesis about how the distinctive head shapes of males and females develop, offering new insight into one of the species' most unusual biological ...
Plants & Animals
Aug 4, 2026
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A study published in the Journal of Statistical Mechanics: Theory and Experiment (JSTAT), inspired by the behavior of bacterial colonies observed in previous experiments, uses mathematical models to describe the expansion ...
Ecology
Aug 3, 2026
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Remembering the past can help living organisms make better decisions, but memory comes at a cost. Whether it is an animal searching for food or a single cell responding to its surroundings, storing and using information requires ...
Evolution
Jul 29, 2026
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232
A research group led by Tetsuhiro Hatakeyama from the Earth-Life Science Institute (ELSI) at the Institute of Science Tokyo has revealed how a seemingly self-destructive survival strategy could persist in yeast for hundreds ...
Evolution
Jul 27, 2026
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7
Deep-diving insect larvae are challenging a long-held idea about why there are almost no insects in the ocean, thanks to sturdy air sacs. In Lake Malawi in East Africa, billions of lake fly larvae (Chaoborus edulis) make ...
Plants & Animals
Jul 23, 2026
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A team of Vermont researchers has discovered that mysterious black skin lesions afflicting catfish in Lake Memphremagog and other New England and Canadian lakes are caused by a transmissible cancer—the first identified in ...
Plants & Animals
Jul 22, 2026
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With their ability to use tools, remember faces and even learn how to communicate with humans through sign language, nonhuman primates are considered to be among the smartest creatures on Earth. However, some concepts—geometry, ...
Plants & Animals
Jul 20, 2026
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146
Oryzias latipes, commonly known as medaka, is a small fish measuring about 2–3 cm (0.8–1.2 inches) in length that exhibits highly active spawning behavior during the breeding season. Previous research by an Osaka Metropolitan ...
Plants & Animals
Jul 15, 2026
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