2019:groups:g7:start
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2019:groups:g7:start [2018/12/18 19:42] – [References] mendes | 2019:groups:g7:start [2024/01/09 18:45] (current) – external edit 127.0.0.1 | ||
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- | ====== Fishers vs Pirates: Does Crime Pay? ====== | ||
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===== Introduction ===== | ===== Introduction ===== | ||
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- | Some animals are widely known for resorting to a different way of obtaining food: theft. Species that steal for eating are known as kleptoparasites. Usually they choose other species as victims, but that's not always true. Some species, like the kelp gull (//Larus dominicanus// | + | Some animals are widely known for resorting to a different way of obtaining food: theft. Species that steal for eating are known as kleptoparasites. Usually they choose other species as victims, but that's not always true. Some species, like the kelp gull (//Larus dominicanus// |
One factor that affects the success of pirates is how many of them exist in the population. If there are few pirates and many fishers, there might be many gulls to steal from, making the theft easier. Otherwise, if there are many pirates and few fishers, there may be competition between pirates, and finding a gull to steal from may be hard. | One factor that affects the success of pirates is how many of them exist in the population. If there are few pirates and many fishers, there might be many gulls to steal from, making the theft easier. Otherwise, if there are many pirates and few fishers, there may be competition between pirates, and finding a gull to steal from may be hard. | ||
- | Several other factors influence the choice of a gull. Food availability may also be a factor. If there is plenty of fish, then fishing may be very easy. Also, the age of a gull may play an important | + | Food availability may also be a factor: if there is plenty of fish, then fishing may be very easy. The age of a gull may be important |
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===== Suggested Questions ===== | ===== Suggested Questions ===== | ||
- | * Is there an optimal proportion of pirates? | + | * If the gulls' behavior is adaptive, what would be the "optimal" |
- | * Are there conditions in which no gull wants to be a pirate? | + | * Are there conditions in which no gull would act as pirate? |
+ | * Is there an " | ||
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+ | ==== Challenge ==== | ||
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+ | * From an evolutionary point of view, is there an " | ||
===== References ===== | ===== References ===== |
2019/groups/g7/start.1545162124.txt.gz · Last modified: 2024/01/09 18:45 (external edit)