Food chain follows one path in finding food through the tropic level. If one organism in any tropic level dies then the number of species under that tropic level will increase in number and the next tropic level will decrease due to limited resources and starvation.
In some habitats with few species, the food web may become closer to a food chain: only a couple of herbivore species and even fewer carnivores. Compare the effects of losing one species in more typical food webs. Which is more stable? Generally speaking, how are stability and number of species related, and why does this relationship exist?
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