Food Web Case Study

In: Computers and Technology

Submitted By itsbrendaa
Words 1002
Pages 5
Food Web Case Study
Brenda Phouthavong
September 8, 2014
Gary Page

Food Web Case Study
In a single ecosystem, all the food chains consisted in a food web. Those that are living in an ecosystem is part of more than one food chain. As the process moves on through the ecosystem, each food chain is one possible path that energy and nutrients may take (Mader, 1996). Indeed all of the interconnected and overlapping food chains contain many organisms that take place within various niches because their resources are available for their habitat (Mader, 1996). Various types of organisms within the food web are grouped into categories called trophic levels. In this food web case study, we will use the food web as a directed graph to model the relationship between predators and prey in an ecological community and the use of graph to visually explain the important parameters that consider a competition for ecological surroundings for organisms.
As directed in a simple food web of an ecological community, the graph displays an apex for each organism in a trophic level and a direct border from the apex visually explaining individual A to the apex illustrating individual B, and however, the path continues if A preys on B (Roberts, 1976). Within this particular graph, the toad, milk snake, salamander, raccoon, grasshopper, fox, and the robin were chosen for a group of seven species, and the results show competition among one another. Again, if there is a common prey to catch, the species will compete for the catch, two species will compete for the catch. The graph displays the vertex of the raccoon and fox since the robin is a common prey. The vertex of the milk snake and raccoon shows that both species compete for their common prey, the grasshopper. The vertex of salamander and the robin do not compete with one another since they do not share the same prey. The…...

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