The long-term study by Krebs on the population dynamics of snowshoe hares and lynx has become a textbook example of predator-prey relationships. The population cycles he observed are the result of both biotic and abiotic factors affecting prey populations. List 3 factors that can contribute to population cycles and briefly explain their effects

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Communities and Ecosystems

Ecology contains two words: Eikos means dwelling, and logy means to study, so the combined meaning is studying habitat or living.