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Project1-paper - Angela Couture Jaime Frade Project 1...

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Angela Couture Jaime Frade Project 1: Cuckoo Egg Length s Abstract Information from Internet A study by E.B Chance in 1940 called The Truth About the Cuckoo demonstrated that cuckoos return after year to the same territory and lay their eggs in the nests of a particular host species. Further, cuckoos appear to mate only within the same territory. Therefore, geographical sub-species are developed, each with a dominant foster parent species, and natural selection has ensured the survival of cuckoos most fitted to lay eggs that would be adopted by a particular foster-parent species. Cuckoos lay eggs in other (host) bird’s nest, which are then hatched and adopted by the host birds. Cuckoos are observed to have a preference and this preference is maintained over time. Thus, the study took species according to a certain geographical area and measured the lengths of the cuckoo eggs. Then by collecting the lengths of the cuckoo’s eggs, we can corroborate that certain cuckoos develop a favorite foster species. After statistical analysis, there is significant evidence to indicate that there is a difference in mean cuckoo egg lengths among different species of bird. Introduction The question at hand is, whether or not there is a difference in cuckoo egg length among different species of birds: Meadow Pipit, Tree Pipit, Hedge Sparrow, Robin, Pied Wagtail, and Wren.
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