Question
Asked 25th May, 2014

Are there any examples of behaviors that are labeled as "non-adaptive?" If so, what are possible causes of this kind of behavior?

As I was looking for sources for my research paper, I came across the term "Adaptationism" and its relation to behavioral ecology. Adaptationism basically states that most traits that an organism has are optimal adaptations. I would like to know more about Adaptationism and its connection to behavioral ecology.

All Answers (3)

28th May, 2014
Joanna Katarzyna Konopka
Johns Hopkins University
Behaviours can be considered adaptive under certain conditions (as defined by evolutionary principles), but can be considered "non-adaptive" if the conditions under which they evolved change. For example consider an invasive species that is relocated to a new area and encounters new conditions, or adds a resource to the environment. There are even cases of what has been termed "an evolutionary trap" where f.e. native predator invests resources or reproductive effort into a prey/host resource that is actually unsuitable for consumption/parasitization. There is a good paper on egg parasitoids that deals with this if you are interested (Abram et al. 2013 Biol. Invasions DOI 10.1007/s10530-013-0576-y).
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27th Aug, 2014
Andrea Gazzola
University of Pavia
Causes of a "non adaptive behavior" can be related to a change in the environment that it is not tracked by a change in behavior. A classical example is the hedgehog's antipredatory strategy of rolling into a ball but it seems not very useful if you need to cross the road.

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