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Lab report on isopods
Lab report on isopods
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More handpicked essays just for you.
Lab report on isopods
Lab report on isopods
Don’t take our word for it - see why 10 million students trust us with their essay needs.
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.
The black nerite was observed 76 times in the upper 25 meters of the rock pools, which has been defined as the supralittoral zone. The black nerite has adapted in many ways to successfully survive the harsh biotic and abiotic conditions associated with the supralittoral zone. The supralittoral zone has a categorically large amount of predation, and the black nerites have adapted structurally to deal with this. They have developed a tough, dark shell which not only prevents predators from accessing the snail inside, but acts as a camouflage, matching the dark coloured rocks. This tough shell also helps the nerites survive in the often dry and hot supralittoral zone, where a decrease from 83%RH to 75%RH was seen at Hastings Point.
We were gonna do another experiment, the Acidity Test but we didn't get to. We do have the results from the Acidity test from another time. We found many different critters in our group. Some of them were big and small and they were all different.
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.
In our experiment, we examined the behavior of isopods by conducting the experiment based on our hypothesis: “If ten isopods are put into the test chamber, 5 in sand and 5 in soil, which environment will the pillbug prefer.” We hypothesized that the isopods would favor the soil more than the sand because pillbugs are typically found in soil and not in sand. Pillbugs are favored in soil because the natural role of a pillbug is to eat dead and decaying things but, in sand there are no nutrients available for pillbugs. Pill bugs are mostly found in moist environments, due to having gills, gills only function when they are wet so pill bugs will inhabit places in which air holds a lot of water
While CO2 is produced, the amount of CO2 produced is different depending on the organisms, in this case crayfish. To test the changes in pH, NaOH is used to neutralize the carbonic acid produced by the crayfish, by which the
We measured metabolic rate indirectly from the rate the crayfish consumed oxygen, which was expressed in terms of body mass. Because we were using more than one crayfish, and all crayfish had a different body weight, expressing the oxygen consumption rate per unit mass made it more reasonable to compare different crayfish. As our resulted had shown that there is no significant difference in oxygen consumption between the warm and cold acclimated crayfish, and oxygen concentration should decrease when water temperature went up, crayfish must increase their ability to pick up oxygen from the environment when acclimated to higher temperature. This was supported by Powell and Watts 2006 that acclimation affected directly the ability of hemocyanin to bind oxygen. This told us that hemocyanin, analogous to hemoglobin in vertebrates, increased their ability to pick up oxygen when acclimated to a higher temperature.
For many it’s a first pet, a gift from family, something you won as a prize at a carnival, but for Canadian residents the familiar orange goldfish everyone knows and loves is becoming a serious problem. Some flush them in a hurry because they no longer want to take care of them, others commit them to a porcelain vortex because they believe their beloved fish has passed, and the Canadian Government is issuing a warning now to citizens of Canada to stop flushing their fish. Just a few goldfish with the potential to disrupt an entire ecosystem Goldfish are entering the ecosystem the way that a lot of invasive species end up in an environment they don’t belong, Humans are putting them there. Human interference is one of the leading causes of the beginning of over population of invading alien species. In this case many of the fish are going down drains, and ending up in Canada’s lakes and rivers.
This can mean that the river is not polluted or has little pollution. The phosphates and nitrates levels in the creek were low or nonexistent. This is good because this means that algae won’t be growing in the creek or there will be very little. There was a large and considerable amount of macroinvertebrates in the creek. This means that the creek can support that much macroinvertebrates.
Introduction Metabolism is the sum of all anabolic and catabolic reactions within a living organism to sustain life. The energy required to perform these reactions is provided by oxygen in the form of ATP, therefore the oxygen consumption rate can be measured to determine the metabolic rate. Since oxygen is obtained through respiration, the efficiency of an organism’s respiratory system affects its metabolism. Previous studies have shown that caffeine affects the human respiratory center and occasionally dilates bronchus. It can thus stimulate human respiration and increase the metabolic rate (Haggins et al, 1915).
Another hypothesis was made that suggests the turtle shell is less functionally constrained in a terrestrial habitat than it is in an aquatic habitat (Claude at al, 2003).
When one thinks of a veterinarian, most associate this job title with treating dogs, cats, horses, cows, and other farm and companion animals. However, a relatively small field not known by the general population is that of marine veterinary medicine. If one has a passion for the water and a desire to help the creatures in it, marine veterinary medicine just may be the perfect career. Marine veterinarians are responsible for “conducting basic exams and evaluations, giving vaccinations, taking samples of blood and other bodily fluids, prescribing and distributing medication, evaluating behaviour, performing surgical procedures, and taking x-rays and sonograms” (Kramer “Life of an Aquatic Veterinarian”).
When Francine was two years old, Descartes published his most famous work, Discourse on the Method. Discourse on the Method, written in French so those who were not scholars could read it, detailed Descartes’ methodology of reasoning and the universal truths. His works Optics, Meteorology, and Geometry, which were about the law of refraction, the rainbow, and analytical geometry, respectively, were also published that year. He published his second most famous work, Meditations on First Philosophy, in 1641, and released the second edition a year later. Meditations on First Philosophy was about the possibility of knowledge and received much criticism.
Ever since the industrial revolution commenced, around one third of the carbon dioxide released by human interference has been absorbed by the ocean, which is one of the reasons of the drastic change in climate as well. Without the ocean absorbing carbon dioxide, the carbon dioxide n the atmosphere would be drastically higher, with possibly increasing the levels of climate change. The point of the research is to see how will the pH affect the organisms in the marine ecosystem and does carbonation affect an organism’s mass and form. Many organisms that are part of the marine food chain are going to be affected by ocean acidification due the levels of acidity deteriorating the calcium carbonate within the animal. It turns out
Whatever you chose to go with a rocky, open water or a sandy biotope environment, all Lake Tanganyika cichlids must be provided with a large open swimming areas. The water chemistry should match that of the lake with a temperature of 75-84°F (24-29°C), a pH from 7.5-9.0, and a water hardness from 7-18