![]() To start the game first press the SETUP button then press the GO button and ask the students to log in. Every tick each prey has a PREY-REPRODUCE chance of creating a new prey, and each predator has a PREDATOR-REPRODUCE chance of creating a new predator. However, androids do have the ability to reproduce, which student agents do not. If the energy of an android goes below zero the android merely dies. By recreating the students have some control over the populations in the world and can dramatically shift the population dynamics. they cannot be eaten, they cannot eat, and they cannot move. Until the student "recreates" they cannot interact with the rest of the system, i.e. If a student controls the animal, that student is given the option to "recreate" as a predator or prey. If an animal's energy gets too low it dies. Android predators and prey can wander around the world at random, while student predators and prey are directed through the HubNet clients. The grass is also a limited resource it regrows at a fixed rate. In other words, a prey agent does not die the very first time they run into a predator. Prey can be caught by predators a few at a time before they ultimately die out. Each predator agent can be thought of as a pack of wolves and each prey can be thought of a herd of sheep. Prey also lose energy when predators catch them. All animals gain energy by finding food and expend energy in the search for food. Prey eat plants (green areas), while predators eat prey. Predators and prey move around the world, searching for food. The model allows students to examine simple population dynamics like those modeled through the Lotka-Volterra equations in a participatory way. The wolves gain energy from consuming sheep, and the sheep gain energy from consuming grass (a primary producer). ![]() The population consists of wolf packs (predators) and sheep herds (prey), some controlled by students via HubNet clients and some androids controlled by the computer. This model simulates a predator-prey relationship. You can also Try running it in NetLogo Web If you download the NetLogo application, this model is included. ![]() (back to the library) Predator Prey Game HubNet It has not yet been tested and polished as thoroughly as our other models.įor information about HubNet, click here. NetLogo Models Library: Predator Prey Game HubNetīeginners Interactive NetLogo Dictionary (BIND) ![]()
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