Lab Report 2 - Lauleh Aslani Biol 120 Sec 5 Agonistic...

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Lauleh Aslani Biol 120 Sec 5 Agonistic Behavior between Male Betta splendens Abstract This experiment was performed to observe the agonistic behaviors of male Beta splendens when facing one another. Agonistic behavior occurs when there is a conflict between members of the same species (Shillington and Laporte, 2008). We hypothesized that if two males of the same species are exposed to each other, then the levels of aggression should increase. Two Beta splendens were placed in separate containers and divided by a piece of cardboard. One Beta splendens was known as the experimental Beta splendens and the other was the control Beta splendens . The behavior of the experimental Beta splendens was recorded. A point system was assigned for different behaviors that occurred for up to ten seconds; gill flaring 3 points, erect dorsal fin 1 point, sideways facing with erect fins 2 points, and charging 4 points. The behavior of the experimental Beta splendens facing the control Beta splendens was observed for 3 minutes. Then the experimental Beta splendens alone was allowed to rest for 2 minutes and behavior was observed for 3 minutes. The scores of the experimental
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This note was uploaded on 04/02/2008 for the course BIOL 120 taught by Professor Laporte&shillington during the Spring '08 term at Eastern Michigan University.

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Lab Report 2 - Lauleh Aslani Biol 120 Sec 5 Agonistic...

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