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					                                                                                       group 1                        group 2

                     Larvae Mouth hook count water                                       122                          123.5
                     Larvae Mouth hook count drug?                                   73.5(20-HE)                     66(5-HT)
                   Larvae body wall movement water                                      46.5                            67
                    Larvae body wall movement drug                                   19.0(20-HE)                    19.5 (5-HT)

    Observation of crayfish without drug injected (control situation)                        tail
                                                                                      submissive tucked whole time, moved away from stimulus quickly

                                                                      little                  moved away but
Observation of crayfish after compound injected (experimental situation) movement/ little response/ no tailflip more slowly, took less time to relax
                  Which Compound: A or B or C or D?                                     A                               B
                          Weight of Crayfish (g)                                     24.95                           24.95
         group 3                      group 4                     group 5                              group 6

          119                           103                         96                                  122
       134 (20-HE)                    32(5-HT)                   124 (5-HT)                          150 (5-HT)
           56                            61                         26                                   42
       64 (20-HE)                     52(5-HT)                   68 (5-HT)                           60 (20-HE)

     it was aggressive           Normal movement                   tail flip                       very aggressive

                       aggressive, after 6 minutes no response
less aggressive/ responsive                                                                 defensive
                                            less response with time, after 10 minutes just laid there become less responsive
             C                             D                            A                                  B
            25.4                          26.5                       25.33                               34.85
                       group 7

                         134
                     128 (20-HE)
                          34
                      62 (20-HE)

              very defensive/ agressive

became less aggressive, responsive but less aggressive
                          C
                        21.19

				
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