Crayfish

will have an effect on the crayfish aggression. Our data does not support our hypothesis as there is no significant difference in the aggression scores of the crayfish before the drug treatment (naïve fight) and after (drugged fight). While analyzing the data, we found the presence of winner and loser effect. Other factor such as sex may have influenced our results. However, a t- test revealed that there is no significant impact of sex on the aggression of the crayfish. Previously it has been…

of the levels of physiological processes, despite changes in temperature. This experiment was coordinated to determine whether crayfish will show metabolic compensation when acclimated to various temperatures. The findings of this study show that temperature had no effect on crayfish oxygen consumption. The oxygen consumption for both the warm and cold acclimated crayfish was almost the same, despite the opposite direction of the temperature change. The results of this study therefore support…

is the difference between a snail and a crayfish. We want to see which organism will produce more carbon dioxide than the other. I believe that the crayfish will produce more carbon dioxide than the snail simply because of size and activity. Typically, crayfish are larger than snails and more active,…

demonstrates that stressed crayfish express context-independent anxiety-like behavior that can be promoted by 5HT (electric fields) and abolished by an anxiolytic called benzodiazepine. The study was designed by exposing crayfish to an electric field for thirty minutes and then placing them into an aquatic dark/light shaped maze that was divided into two shaded arms and two lightened arms along with a middle starting zone. They had placed exposed and non-exposed crayfish in the maze to observe…

The crayfish need an “internal or external canister filter” in their fish tanks to provide the prime environment for growth (Pierce n.d.). A canister filter continuously cleans the water within the tank to maintain the ecosystem for the crayfish. An internal canister filter hangs inside on the glass tank, while an external canister filter hangs outside on the glass tank. These canister filters are the best option for a fish tank because, without them “20-30% of the water” in the fish tank would…

as shrimp, crab, and lobster. Chitin is present in crayfish, insects, and vegetal species mainly in the walls of fungi. These species require nitrogen for nutritional cycle. Chitin has been sourced from different originate and its composition shown in table 2.1 (synowie). Small quantity of chitosan is also found in some fungi but commercial production through alkaline deacetylation of chitin. Table 2.1 Composition of crayfish skeletons in % dry weight…

uncle, aunt , and cousins. We were there for 5 days but on the fifth day we had to leave. On the fourth day we went to the river for the third time and at that time I wasn't even thinking about a crayfish because I thought we were just going to go rafting. Until my uncle pete said " If you guys catch a crayfish I will by you guys ice cream. Then I expected thinking this would be a piece of cake but then thought about it real hard and said in my head this would be impossible so I asked pete…

biotic factors that are being impacted in the lake’s ecosystem. However, the most affected animals include the crayfish, clams, and mayfly. Crayfish need calcium in order to maintain a healthy exoskeleton. However, when a lake’s pH decreases, most of the minerals diminish as well. Affecting the crayfish in the process as they are weak and their source of food is being limited as well. Crayfish can be found in Australia and many other parts of the world but most commonly in North America,…

live with Aunt Esther and forced to go to school at a place in Detroit. He realizes he has to make a change if he wants to live life like he did before his parents passed away. Finally Michael got a crayfish and Aunt Esther wanted to change to so they went to the pet store and got twenty more crayfish. Thought the story Michael had a struggle of being himself again and leaving all past things in the past. Michael and Aunt Esther are trying to be friends and get along so he can be normal again.…

Hamr, 1992; Scholtz & Kawai, 2002; Rudolph & Rojas, 2003). Another difference is the diversity of life habits in these superfamilies. The Southern Hemisphere group has a larger proportion of species with burrowing habits than the Northern Hemisphere crayfish (Richardson & Swain, 1980).…