Feeder Guppies: A Study

2. You have measured the rate at which a fish breaths at various temperatures by counting the rate at which its gills open. The data table is shown below. Create a line graph depicting the results.

This lab was conducted with the purpose of confirming the trait of homeostasis among goldfish. During the experiment, it was recorded that the fish would increase gill movement when placed in colder water two out of the three trials. However, the results showed no significant difference in gill movement in various temperatures of water. This has very little effect on the broad field of science since our only three trials were performed and may have included human error in the trials.

13. Which of the following is not an expected response in a fish to a drop in water temperature?

The top of the Tupperware container was covered with a foil and the crayfish was allowed to sit quietly for 10 minutes. The lab tutor was started and the trace produced was examined. At this point, if no good recording of the heart rate was observed, the electrode connection was adjusted or a new crayfish was obtained. The heart rate was recorded for five – ten minutes, making sure the heart rate was steady. The recording was stopped and the baseline hear rate was recorded. To stress the heart rate, the container was uncovered and the trace on Lab Tutor was started. To make sure that the heart rate is being recorded, the trace was examined. Heart rate was recorded for five to ten minutes to get an annotation for heart rate trace of a stressed

The barnacles were tested using a small cup filled with water which has a small rock with barnacles on it. Before the experiment was conducted, the barnacles were fed food. The change in cirri beats over one minute was determined. The average decrease of cirri beats per minute was 12.6. Although the manipulated trial was inconsistent, it is still logical to conclude that the

For both treatments, the number of Daphnia consumed during the 0-5minute interval is more than the amount of Daphnia consumed in the last 25-30 minute interval (Figure 1). The null hypothesis expects Guppy (Poecilia reticulate) to feed equally in the absence and in the presence of the plastic aquatic plant, therefore any deviance between the means of the two treatments is due to chance; the null hypothesis is rejected, the mean total number of Daphnia consumed in the presence of the plant (4.2) is significantly different from the mean total number of Daphnia consumed in the absence of the plant (14.2) (Two-sample t-test, t=3.28, df=8,

The procedure for this experiment followed the steps as shown in the flow chart (Figure 1) and will be expanded upon here. The oxygen-measuring probe in the test chamber was first turned on and required 10 minutes to warm up. During this time, two empty containers had 200mL of fish water added to them and then each was weighed using a scale that was tared to zero before use. Two pairs of goldfish were then collected from the large tank #1 in the lab room using the fish net provided, and one pair was placed in each container. Then, the containers were reweighed separately and the original weights were subtracted from the new weights in order to determine each pair of goldfish’s weight. Two trials were conducted and in each trial, each goldfish pair was subjected to two conditions, first a control condition where no factors were introduced, followed by an experimental condition where they were exposed

Kinesis occurs when the animal moves in a random motion in response to the stimulus. Throughout this lab, we put the pillbugs through four different tests. These experiments are to test to see if these animals will prefer a certain habitat rather than another and how they show this is through either kinesis movement or taxis movement.

The data will be collected everyday at 7 o’clock and noon by counting the amount of fish caught at each time.

- To test this hypothesis my experimental approach would be testing different bodies of water or testing one and just testing different areas while tracking the fish.

At the conclusion of the experiment, the two hypotheses were reviewed. Because the water temperature did affect the normal respiration patterns of the goldfish, the null hypothesis was disregarded and the alternative hypothesis was accepted. From the results of this experiment, it was concluded that although other environmental factors could play

Transition: After learning about a dolphin’s sense of communication, we can now build upon this information by examining their unique behavior.

I believe that underwater noise has an effect on marine animals such as whales. Using information from the passages I will prove my point. Their numbers are declining rapidly and I believe that underwater noise has some involvement in the rapid decrease in their population numbers. The information given within the two passages will help prove my point.

My friend had invited me along with him and his family to the ocean. It was vacation for the family, but for him and me it was the beginning of a week of serious business. We had an obsessive hobby to pursue. As avid and long-term freshwater fisherman, we were thrilled by the thought of catching those large and exotic saltwater fish we had seen on television a billion times before. Yet little did we expect there to be such vast differences between our freshwater fishing and the saltwater fishing, which we were about to pursue. We learned through trial and much error that in order to have a successful saltwater fishing experience we had to make adjustments to all the freshwater

The constructions of the turbines alone are creating an effect on these mammals because of the frequency of noise that is emitted into the water. These frequencies disrupt mammal communication, location and location of other species around them.