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Genetic and behavioral changes in introduced species

Vermeulen, P. (2013) Genetic and behavioral changes in introduced species. Bachelor's Thesis, Biology.

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Abstract

Biological invasions can have huge ecological and economic impacts, but the biological processes leading to the success of introduced species are not yet well understood. An important process is that during each step of the introduction, a subset of individuals may be selected. My question in this essay is whether the introduction process would cause behavioral and/or genetic change through a series of selective processes. The initial introduction stages act as a bottleneck, reducing genetic diversity relative to the original population. Invasive Argentine ants show reduced intraspecific aggression, but it is unclear if this change is an adaptation. Invasive cane toads evolve to disperse at a faster rate. However, there is not enough research available of this subject to proof any patterns. Biological invasions are highly complex and unique, and make it hard to discover any patterns.

Item Type: Thesis (Bachelor's Thesis)
Degree programme: Biology
Thesis type: Bachelor's Thesis
Language: English
Date Deposited: 15 Feb 2018 07:53
Last Modified: 15 Feb 2018 07:53
URI: http://fse.studenttheses.ub.rug.nl/id/eprint/11079

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