In this experiment, we are testing whether or not the Isopods' have more of a preference for an environment with syrup or with water. The alternative hypothesis we devised is that if the Isopods are placed in between a syrup and a water chamber, then they will go towards the syrup chamber. This is believed because we believe the Isopods may have an attraction to the sweet scent and taste of the syrup. My group and I observed 10 pillbugs behavior over the span of 5 minutes, recording the number of pill bugs found in each chamber every 30 seconds. We fail to reject the null hypothesis because the chi squared value is 3.6 which is less than 3.84 (critical value at .05). This indicates that we are unable to show a statistical difference between Isopods preferring the syrup environment over the water environment. Introduction: …show more content…
Isopods typically eat, fruits,weeds, fungi, and animals, both dead and alive. However, when there is a drought the crustacean becomes a scavenger, willing to eat whatever it encounters. Opposingly to these conditions is their behavior when their environment is entrenched by too much water, when this happens Isopods endure a great deal of stress. The perfect medium for them is a damp and cool environment, such as burrows in logs and underneath soil (Brown, 1999). For this experiment we used syrup and water as our independent variables. This was decided because in our prior experimentation it was discovered that the Isopods prefer the environment with water over the dry environment. This experiment was the epitome of taxis, in which the Isopods moved directly towards the environment with water. We then became eager to see if that was applicable to any wet environment or if the specific substance caused the preference to
This value was 0.019589 and with this statistic we were able to look at our hypothesis again. We could successfully conclude that our null hypothesis of the urine having no effect on the mice was wrong. This is because of P-value is <0.05 and represents that are data was statistically
Abstract: The main focus of this lab is on animal behaviors in terrestial isopods, also known as pillbugs. There are many purposes to this lab experiment. First, these pillbugs are put into four different types of enviroments, also known as chambers, light v. dark, hot vs. cold, moisture vs. dry, and lastly shelter vs. open. In these different chambers, there are 10 pillbugs, 5 placed into each individual chamber and then observed for up to 5 – 10 minutes. In this lab we observed that pillbugs prefer light areas, hot temperatures, moist environments, and lastly sheltered spaces.
The experiment consisted of two sub-experiments that when synthesized together, successfully answered our main question. The first of the two sub-experiments focused on collecting data for the creation of a life table in which Daphnia magna were not in the presence of a predator such as Lepomis macrochirus, known in laymen’s terms as bluegill fish. The second of the two sub-experiments focused on collecting data for the creation of a life table as well, but this time the daphnia were subjected to an environment where bluegill fish were present. The collection of the data for the creation of the first lifetable without predation consisted of fourteen replicates or daphnia starting at age 3 and ending at varying ages depending on the mortality of each replicate group.
Introduction The bean beetle also known as the Callosobruchus maculatus, is an agricultural pest insect from Africa and Asia. That can be found throughout the tropical and subtropical regions. The lifecycle of a bean beetles is quite short an adult been beetle lays their eggs on the external surface of a bean. The larva hatches from the egg burrows from the egg through the seed coat and into the bean endosperm without moving outside the protection of the egg.
This behavior was observed in all the three experiments and through the period of observation, isopods seemed to move to different sponges before they settled down behind one of them. The χ2 value was 0.03842932, df was 3 and hence the P value was less than 0.001 which proves that this result is not a result of random probability and is in fact significant and reliable. In Trial 2, the hypothesis was that most isopods would go to the sponge with sucrose solution and our hypothesis was proved correct through the experiment. It was observed that a majority (55%) of the isopods preferred sucrose relative to the other sources of moisture.
This adaptation is to retain moisture using a special structure – the operculum – which can be sealed when the snail is not eating to retain moisture within the shell. This is used especially between the high tides, as water only reaches this high zone at these times. Another factor associated with the supralittoral zone is harsh wind conditions, which was observed at Hastings Point where the temperature indicated a 12% increase in average temperature between the littoral and supralittoral zones. The black nerites adapted behaviourally to survive these conditions. To do this,
The overall purpose of this investigation was to determine the effects of different types of environments on pill bug attractancy. Pill bugs were exposed to 2 different environments (sugar and water). The attractancy was observed and recorded in a raw data table. A research hypothesis was formulated that the sugar would work as the best attractant for pill bugs. Sugar had the greatest impact of the two environments used because it attracted 8/9 ants.
Science 1. Free ears in dogs are controlled by dominant allele (F), and attached ears are controlled by the recessive allele (f). In addition, Short dogs is due to a dominant allele(S), and long hair is due to a recessive allele (s). Which of the following is the genotype of the dogs with free ears and short hair? a. ffss b. FfSs c. ffSs d. Ffss 2.
Some of the places that should be observed are rocky areas; especially between the rocks, under piles of leaves and in the muddy areas around ponds and lakes. It would be difficult to observe which frogs are swimming down at the bottom of the ponds and lakes because they would probably be frozen over. This is why this experiment would be the harder of the
Around the world, poison frog populations have been declining due to unknown reasons. Two experiments were conducted promptly in order to find the cause of the disappearances. One hypothesis suggested that the poison frogs are in a decline because of an infectious fungus called chytrid fungus. On the contrary, another hypothesis alludes to the idea that decreasing leaf litter is causing the widespread decline. Although it seems that there are multiple reasons for the decline, it is unquestionable that, according to the data from the experiments, that leaf litter is one of the main components of the decreasing population of poison frogs, having multiple replicates of data is important in finding the answer to the decline, and that there is much more to investigate about this problem.
Also, they like to eat Detritus and it is a more acidic plant (Animal Behavior: Pillbugs and Their Preferences, 2003-2015). This being said, would isopods refer to be in an area with low pH, high pH or water? I there is a low pH, high pH, or water, then the isopods would prefer the water because most organisms are sensitive to certain pH levels.
In this experiment, the question that was asked was, are elephants afraid of mice? The hypothesis is if a mouse is placed near an elephant, then the elephant will be frightened. The experimenters traveled to an African safari to perform the experiment with their test subjects (an African elephant and a white mouse). They hid the mouse in elephant dung and rolled over the dung whenever elephants passed by. At first there was speculation that the elephants might have been startled by the moving dung.
From the chi square calculations and analysis of the inquiry lab, the flies were found to be highly attracted to sugary foods such as jam, as opposed to sugarless substances like taco sauce, which would later determine exactly what the inquiry
The hands were washed. Goggles were placed on the eyes for extra protection. A petri dish containing nine pill bugs were obtained and set aside for later use. Two water bottles’ ends were cut and taped to each other creating a miniature tunnel for the pill bugs to crawl in. 50 mL of tap water was obtained in a small beaker and then was slowly moved into the lid of the bottle using a funnel.
The objective is to determine foraging preference of ants by observing and measuring their selection between three different sugar concentrated solutions (5%, 15%, and 30%). The hypothesis is that ants prefer high sugar concentrated solutions than low sugar concentrated solutions. The prediction is that most ants will prefer high concentrated solution (30%) than the less concentrated solution