2014:groups:g5:start
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Wiki site of the practical exercise of the [[http:// | Wiki site of the practical exercise of the [[http:// | ||
- | Here you find the exercise assigment and the group' | + | Here you will find the exercise assigment and the group' |
- | If you are a group member login to edit this page, create new pages from that, and upload files. | + | If you are a group member login to edit this page, create new pages from it, and upload files. |
+ | ===Final Presentation=== | ||
+ | {{: | ||
+ | ===== Group ===== | ||
+ | * Chaquea, Jose Dario; // | ||
+ | * Couto, Thiago Belisario D' | ||
+ | * Giese, Adriana Carolina; //Centro Nacional Patagónico, | ||
+ | * Simões Yamaki, Tania Patricia; // | ||
+ | * Tonhatti, Carlos Henrique; // | ||
+ | | ||
+ | | ||
+ | |||
+ | ---- | ||
+ | |||
+ | ===Assistants=== | ||
+ | |||
+ | * Bernardo Niebuhr | ||
+ | * Diogo Melo | ||
+ | * Fernando Rossine | ||
+ | |||
+ | |||
+ | ---- | ||
===== Assignment ===== | ===== Assignment ===== | ||
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fish // | fish // | ||
collect and guard shells in which females enter and release their eggs. There is strong sexual size dimorphism | collect and guard shells in which females enter and release their eggs. There is strong sexual size dimorphism | ||
- | in this species and these male are too large to enter the shell. Females, | + | in this species and the male are too large to enter the shell. Females, |
- | on the other hand, remain primarily in the shell during the whole reproductive period. Since these males | + | on the other hand, remain primarily in the shell during the whole reproductive period. Since the males |
monopolize resources, this behavior is referred as the [[http:// | monopolize resources, this behavior is referred as the [[http:// | ||
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Only males large enough to carry shells are able to adopt this strategy. | Only males large enough to carry shells are able to adopt this strategy. | ||
Alternatively, | Alternatively, | ||
- | is away (parasitic tactic) [1]. If the male is small enough, it may even enter the shell, go to its innermost | + | is away (parasitic tactic) |
- | part and remain there during the fertilization period [2]. | + | part and remain there during the fertilization period |
The male size distribution of populations of this species is clearly bimodal, allowing the distinction of two separate groups of individuals: | The male size distribution of populations of this species is clearly bimodal, allowing the distinction of two separate groups of individuals: | ||
Wirtz-Ocaňa and collaborators (2013) have | Wirtz-Ocaňa and collaborators (2013) have | ||
- | shown that male size is paternally inherited in this species. Large male father large individuals and dwarf males father small individuals [3]. | + | shown that male size is paternally inherited in this species. Large male father large individuals and dwarf males father small individuals |
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==== Questions ==== | ==== Questions ==== | ||
Different questions can be investigated by modeling this system. It is important to keep mind which are the relevant features on the problem being studied. A possibility is to think about a population model that explains in which conditions each reproductive strategy is more appropriate and in which conditions there is long-term coexistence of both strategies in a population. | Different questions can be investigated by modeling this system. It is important to keep mind which are the relevant features on the problem being studied. A possibility is to think about a population model that explains in which conditions each reproductive strategy is more appropriate and in which conditions there is long-term coexistence of both strategies in a population. | ||
- | |||
- | === Hints === | ||
==== References ==== | ==== References ==== | ||
- | |||
- | - [[http:// | ||
- | Journal of Heredity 92 (2) (March 1): 100–110.]] | ||
- | - [[http:// | ||
- | - [[http:// | ||
- | “Paternal Inheritance of Growth in Fish Pursuing Alternative Reproductive Tactics.” Ecology and Evolution 3 (6): | ||
- | 1614–1625.]] | ||
2014/groups/g5/start.1390992973.txt.gz · Last modified: 2024/01/09 18:45 (external edit)