The number of predator eggs deposited within 24 h in the balanced prey density design of experiment 1 was compared between the familiar and unfamiliar side by a t test for dependent samples.
In the balanced prey density design, the preference of the experimental female to join the familiar group resulted in a higher total number of predator eggs produced on the familiar (mean ± SE: 9.1 ± 2.7) than unfamiliar side (7.2 ± 2.8; t test for dependent samples: t28 = 3.834, P = 0.001), indicating alignment of joining and oviposition site preferences of the experimental female.
Some scientists at the Ecole Polytechnique Fédérale of Lausanne have built "evolving" predator and prey robots designed to, in short, learn from each other.
Bladderworts have a relaxed body plan that has permitted the evolution of terrestrial, epiphytic, and aquatic forms that capture prey in intricately designed suction bladders or corkscrew-shaped lobster-pot traps.
The present study has shown that catch-effort data from hunter reports can provide pertinent information about the current hunting practices and problems of prey depletion and for design of conservation interventions for hunted species.
Former Florida governor Jeb Bush has accused his nemesis of living in an "alternate universe" designed to "prey on people's fears".
It was a profoundly regressive and unfair system, designed to prey with scientific precision on our most human foibles and weaknesses.
"White Christmas" was, significantly, the first Christmas song to become a hit, and it paved the way for "Silver Bells," "Have Yourself a Merry Little Christmas," "The Christmas Song" ("Chestnuts Roasting on an Open Fire") and a host of other holiday perennials, many of them skillfully constructed and admirable in their way, but all of them designed to prey on easy, prefabricated emotions.
Some have suggested that the designs lure prey or deter predators, whereas others have argued that they function as a sort of detour sign that prevents birds from flying into the webs.
