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An apex predator, also known as a top predator or superpredator, is a predator [a] at the top of a food chain, without natural predators of its own. [ 6 ] [ 7 ] Apex predators are usually defined in terms of trophic dynamics , meaning that they occupy the highest trophic levels .
For instance, removing a predator may allow other animals to increase to the point where they wipe out other species; removing a prey species may cause predator populations to crash, or may allow predators to drive other prey species to extinction; and removing a plant species may result in the loss of animals that depend on it, like ...
Those changes helped determine the cat and dog predators seen today, researchers said. Ancient apex carnivores Hyaenodonta fossils have been found across North America, Europe, Asia and Africa.
When populations of an apex predator decrease, populations of mesopredators in the area often increase due to decreased competition and conflict with the apex predator. [2] This is known as the mesopredator release effect , which refers to the release of mesopredators from the trophic cascade . [ 5 ]
Like a number of other Russian-speaking ransomware gangs, REvil has made a fortune in recent years by hacking individual organizations, locking their computers, stealing their files and demanding ...
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Northern green anacondas are ambush predators, and are among the apex predators in the swamps, rivers and other wetlands of northern South America, spending most of their time submerged in shallow waters. They hunt by waiting for prey to come nearby, with the buoyancy of the water helping them to rapidly leap out and take hold of the prey with ...