![]() ![]() They have great environmental adaptations to win the battles against predators by their hiding, escaping, and fighting skills sometimes even with the chemical weapons. These predator/prey relationships thereby promote stability in ecosystems and enable them to maintain large numbers of species,” says Allesina. These species have high populations as compared to predator species, but are lower than the producers. When predators are low, prey decrease and thus reduce the number of predators by starvation. Understanding the factors that facilitate coexistence among species is one of the most important issues in ecology 1,2. An analysis of 214 species of land animals shows that a creature’s ecological niche is a strong predictor of pupil shape. Keywords: Predator, Prey, Functional Traits, Evolution, Ecology, Adaptations. “When prey are high, predators increase and reduce the number of prey by predation. While the eyes may be a window into one’s soul, new research led by UC Berkeley scientists suggests that the pupils could also reveal whether one is hunter or hunted. Research shows that examining predatorprey interactions through the lens of an adaptive evolutionary-ecological game offers a foundation to explain variety in the nature and strength of predatorprey interactions observed in different ecological contexts. ![]() The new model, proposed by Stefano Allesin and Si Tang from the University of Chicago, takes species interaction into account, and finds that predator/prey relationship provides enough stability in an ecosystem to allow an almost infinite amount of species to coexist. Mays’s model doesn’t take interaction between species into account. May, proposes that ecosystems with large numbers of species interacting are inherently unstable and vulnerable to changing weather and environmental conditions. The existing model, developed by Robert M. However, it may mean the first introduction of any predator species for a prey. Interactions between predator and prey may provide stability for ecosystems, according to a new mathematical model. In the case of the predator, this of necessity means an additional prey species, since the predator could not exist in the absence of prey. ![]()
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