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Phenotypic plasticity is important because it allows an individual to adapt to a changing environment and can ultimately alter their evolutionary path. It not only plays an indirect role in defense as individuals prepare themselves physically to take on the task of avoiding predation through camouflage or developing collective mechanical traits ...
Choking, the predators release the hagfishes and gag in an attempt to remove slime from their mouths and gill chambers. [1] Anti-predator adaptations are mechanisms developed through evolution that assist prey organisms in their constant struggle against predators. Throughout the animal kingdom, adaptations have evolved for every stage of this ...
Adaptationist hypotheses regarding why an organism should engage in such risky behavior have been suggested by Eberhard Curio, [8] including advertising their physical fitness and hence uncatchability (much like stotting behavior in gazelles), distracting predators from finding their offspring, warning their offspring, luring the predator away ...
The large oscillations in climate during the Quaternary caused beetles to change their geographic distributions so much that current location gives little clue to the biogeographical history of a species. It is evident that geographic isolation of populations must often have been broken as insects moved under the influence of changing climate ...
The winners of the 2024 Wildlife Photographer of the Year competition, organized by the Natural History Museum, have been announced. From a record-breaking 59,228 entries submitted by ...
Recent work has extended what is known about the storage effect to include apparent competition (i.e., competition mediated through a shared predator). These models showed that generalist predators can undermine the benefits of the storage effect that from competition. [11]
The green world hypothesis proposes that predators are the primary regulators of ecosystems: they are the reason the world is 'green', by regulating the herbivores that would otherwise consume all the greenery. [1] [2] It is also known as the HSS hypothesis, after Hairston, Smith and Slobodkin, the authors of the seminal paper on the subject. [3]
Although the fur enterprise failed, 25 pairs of beavers were released into the wild. Having no natural predators in their new environment, they quickly spread throughout the main island, and to other islands in the archipelago, reaching some 100,000 individuals within 50 years.