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.
Rising day and night temperatures are threatening rice, wheat, and maize production by disrupting plant growth, grain filling, and grain quality, putting global food security at risk. Precision breeding and genome editing ...
Biotechnology
Feb 6, 2026
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39
Rove beetles have evolved a neat trick to survive. They cloak themselves in ant pheromones, allowing them to enter and remain undetected within ant colonies. But it comes with a catch. Once a rove beetle lineage evolves this ...
Whatever challenges life throws, mothers often know best as they guide offspring through the risky stages of early development. This scenario, familiar when applied to humans, turns out to be true for plants too, according ...
Plants & Animals
Feb 5, 2026
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62
Humans' exposure to high temperature burn injuries may have played an important role in our evolutionary development, shaping how our bodies heal, fight infection, and sometimes fail under extreme injury, according to new ...
Evolution
Feb 4, 2026
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1888
A single queen in the tropics; large colonies in deserts; workers with uniform morphology in temperate regions; ant social structures vary according to environmental conditions. This is shown, for the first time at a global ...
Plants & Animals
Feb 4, 2026
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37
Snakes may well be one of nature's greatest predators, capable of eating whole deer or even crocodiles, but just as impressive is that they can go months, or even a whole year, without a single meal. And now an international ...
Precocial animals, the ones that move autonomously within hours after hatching or birth, have many biases they are born with that help them survive, finds a new paper led by Queen Mary University of London, published in Proceedings ...
Plants & Animals
Feb 3, 2026
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75
Imagine enjoying a tasty dinner alone at home—you may freely indulge without worrying about others. Now imagine sharing the same meal with friends or colleagues: depending on the social context, you may find yourself eating ...
Plants & Animals
Feb 3, 2026
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13
Some mammals hibernate to survive in winter, but the Eurasian common shrew (Sorex araneus) employs Dehnel's phenomenon to get through it. This is a metabolic process that enables shrews to conserve energy by shrinking their ...
Plants & Animals
Feb 3, 2026
0
21
In Sturt National Park, near Tibooburra in central Australia where temperatures can range from freezing to nearly 50°C, there lives a small bird with a white back, forked tail and—as we've just discovered—a very clever strategy ...
Plants & Animals
Feb 3, 2026
0
28
