Biological adaptation is the evolutionary process through which heritable traits that enhance an organism’s fitness become more prevalent in a population over generations under specific environmental conditions. It operates primarily via natural selection acting on genetic variation, including mutations, recombination, and gene flow, and is constrained by developmental, genetic, and phylogenetic factors. Adaptations can be morphological, physiological, or behavioral and are typically characterized by increased survival or reproductive success in a given niche. The process is dynamic and context-dependent, such that traits advantageous in one environment may be neutral or deleterious in another, contributing to diversification and speciation.
The warming world has disrupted the timing for plant and animal reproduction, and it's usually bad news for species that depend on each other—like flowers blooming too early and pollinating bees arriving too late. But researchers ...
Plants & Animals
Mar 11, 2026
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19
A team of researchers from The University of Texas at El Paso has uncovered new evidence explaining why the rattlesnake's rattle—one of nature's most iconic warning signals—has persisted and proven so effective across millions ...
Plants & Animals
Mar 11, 2026
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47
Mussels baked by the billions. Insect larvae cooked inside scorched cherries. Baby birds plummeted to their deaths from their overheating nests. But some species did just fine during the 2021 North American heat wave, according ...
Plants & Animals
Mar 11, 2026
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23
Hibernation is a risky endeavor for many animals, as they can be taken away by the elements or predators. For several months of the year, queen bumblebees enter a dormant state underground called diapause. While this keeps ...
A research team affiliated with UNIST has engineered a microbial strain capable of rapidly growing in high concentrations of methanol, marking a significant step forward in biorefinery technology. This breakthrough provides ...
Cell & Microbiology
Mar 6, 2026
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23
When a species lives in two distinct types of habitats, individuals with traits better suited to each habitat will thrive and reproduce, naturally selecting descendants with those traits. But what about mobile aquatic species ...
Evolution
Mar 5, 2026
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18
Fish that live in rivers, ditches, and streams are better able to withstand warming water than fish in the sea. This is the conclusion of research by ecologist Wilco Verberk of Radboud University. "It is important not to ...
Plants & Animals
Mar 5, 2026
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14
For the first time, research shows that a key social trait in honey bees is linked to measurable physiological advantages that can improve colony survival. A study published in PLOS One uncovers how hygienic honey bee colonies ...
Plants & Animals
Mar 4, 2026
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127
Up to half of the insects in the Amazon region could be exposed to life-threatening heat levels due to progressive, anthropogenic global warming. This is shown by a recent study by the universities of Würzburg and Bremen.
Plants & Animals
Mar 4, 2026
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51
A new study suggests that decades of reported gains in crop yields from plant breeding may be significantly overstated, challenging a common method used worldwide to measure genetic progress. The international research team ...
Ecology
Mar 4, 2026
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