A Experiment On Paramecium Experiment Essay

Procedure: Using distilled water, premeasured containers and objects determine displacement of fluids and density of objects. Use ice and heat measure temperatures in Celsius, Fahrenheit and Kelvin.

Students will carefully observe acts of aggression and prosocial behavior on television, report their observations, and analyze their data to draw conclusions.

C. An unknown, rectangular substance measures 3.6 cm high, 4.21 cm long, and 1.17 cm wide.

Neural Basis of Pair Bonding Pair bonding is defined as a close relationship between two individuals. To understand the neural basis of pair bonding it would make sense to consider monogamous species since monogamy is based on pair bonding. On the other hand polygamy supports mating with several individuals which does not necessarily support bonding with only one individual. Most of the studies done on pair bonding used a monogamous rodent, the prairie vole.

Discussion The purpose of the paramecium study was to observe how two species, P. aurelia and P. caudatum, interacted with each other. Could the two species coexist? Or would one dominate the other. Twice daily for two weeks each ecology lab sections counted the paramecium stock.

The results of this experiment proved the plum pudding model of the atom to be incorrect as some of the alpha particles (helium atoms) deflected meaning the atom has a dense centre of positive charge. Particles either hit the positive

The scientific method does not allow an experiment to end abruptly once the solution is found. Errors, either human or technical, can give false information to even the most careful research team. This particular experiment proves exactly why the "answer" is checked.

Eli’s naturally investigative nature allows him to enjoy hands-on science experiments. However, in his rush to begin experiments he tends to miss key directions leaving him and his group struggling with completing the task at hand. Though it can take more than a session for Eli to complete an experiment, his tenacity and desire to learn, allow him to work through the challenges and succeed in the end. His science notes and lab reports are well organized. Eli’s predictions, observations, and conclusions, as they relate to our science experiments, show an understanding of the material being taught.

A paramecium is a small one celled (unicellular) living organism that can move, digest food, and reproduce. They belong to the kingdom of Protista, which is a group (family) of similar living micro-organisms. Micro-organism means they are a very small living cell. You might be able to see one as a tiny moving speck if your eyesight is extremely good but for any detail at all you need a microscope to look at and study them. They are about .02 inches long (.5mm). They are also famous for their predator-prey relationship with Didinium. Paramecium is known for their avoidance behavior. If an encounters a negative stimulus, it is capable of rotating up to 360 degrees to find an escape route. Didinium are heterotrophic organisms. They only have

In this lab, the structures of two organisms were analyzed: Paramecium and a mushroom. The Paramecium was observed using a microscope. Through the microscope, it was possible to observe the movement of the Paramecium and their shape and structures. The Paramecium is transparent, which allowed the possibility of seeing its organelles. The organelles seemed as many small dots inside the Paramecium’s body. Even though it was not possible to see the cilia, the Paramecium only moved because of it. The movement performed by the Paramecium made it seem as though the entire body changed its teardrop-shape while moving. Besides, some Paramecium seen to be eating. The magnification used to observe the Paramecium in the microscope was 100x.

The experiment exams the biotic potential and environment resistance of two species, Paramecium caudatum and Paramecium aurelia, and compares their growth in the same medium. Paramecium aurelia grows better than Paramecium caudatum. The growth of Paramecium caudatum and Paramecium aurelia in one medium is shows that the growth curve of Paramecium aurelia is J-shaped and Paramecium caudatum has a tendency to the elimination. When they grow in different media, the growth curves are S-shape which indicate the logistic population growth. Biotic potential, and environment resistance will affect the population growth. The source of error is temperature.

Paramecium is part of the Alveolate clade. Paramecium is able to take in food with its mouth-like opening called the oral groove. An anal pore is used to eliminate waste after the nutrients have been absorbed. There exists two structure which differ in size and function, which are the macronucleus and the micronucleus. The micronucleus, is smaller when compared to the macronucleus and it helps with the reproductive process called fission, while the macronucleus controls things such as metabolism and other non-reproductive cell functions.

In the study of population ecology, it is important to recognize three types of competition: intraspecific, interspecific, and predation. This experiment was designed to test the effects of intraspecific competition between populations of Paramecium micronucleatum with two different initial populations. This was done in six replicates under similar conditions, counting the P. micronucleatum every day for a week. The goal was to find the growth rate (r) and carrying capacity (k) of the populations and compare the r and k of the two initial densities. The results showed that r was very

Commonly speaking, the theoretical and practical outcome of corresponding experiments done before should be similar with the results of this time.

The experiment was demonstrated by Mustafa Daif and assited by Fatima Ali. Special thanks go to Christina Matouq.