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Dugesia Paper: Results and Discussion Essay

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Updated: Apr 14th, 2022

The following research is devoted to the investigation of the main peculiarities of flatworm Dugesia, their main anatomy, ecology, and the issue of regeneration. This data can be seen in Table 1.

Table 1

Species Ecology Anatomy Reproducing Regeneration
Dugesia
(flatworms)
The free-living flatworm which
may be found in freshwater ponds, streams, and lakes of such countries as India, Russia, the United Kingdom, the United States of America, and Myanmar
Individuals can be of black, brown, or grey colors. A triangle-shaped head with a couple of eyes is peculiar for them.
Lengths vary between 9 mm and 15 mm
Hermaphrodites.
Have two different ways of reproducing with the help of two individuals mating and with the help of fission
Asexual multiplication of individuals. Possibility to regrow any part of the body.

The main hypothesis of the research states that the phenomenon of asexual multiplication can be observed among flatworms due to the high level of neurodegeneration and powerful regenerative abilities peculiar for Dugesia. To prove the hypothesis, the experiment was conducted. Results showed that new parts of a worm show the same reactions as the original individual. Phototaxis is peculiar for both organisms. Moreover, it is possible to suggest that being almost equal in length, new individuals will be able to regrow missing parts of their bodies and develop into mature organisms. This suggestion can be made on the basis of some observations which can be seen in Table 1. It shows the growth of individuals during the week of observations. This fact proves the great regenerative abilities of flatworms.

Table 2

Anterior segment
(mm)
Posterior Segment
(mm)
Day 1 4,325 4,456
Day 7 4,844 4,767

Having conducted research and obtained results, it is possible to make a certain conclusion. Results show that regenerative processes peculiar for flatworms are of great importance for the whole natural and scientific world. Unique regeneration processes with the cellular and molecular dissection show a great significance of the flatworm for the understanding of the peculiarities of regenerative processes in the brain, stem cells, and pharynx. Moreover, the issue of asexual multiplication showed the ability of flatworms to regenerate the above-mentioned important parts of the body. Taking into account the fact that cells of flatworms are similar to early embryonic stem cells of higher animals, knowledge of the main mechanisms of multiplication of flatworms can give a great number of possibilities for the investigation of the same mechanisms among animals.

The results obtained in the course of experiment only proved the hypothesis and presence of asexual multiplication among Dugesia. The growth of the length of individuals was possible due to the ability of flatworms to regrow their bodies.

This research can be compared with the previous researches of this issue. The work Phylogeography of competing sexual and parthenogenetic forms of a freshwater flatworm: patterns and explanations by Pongratz, N., Storhas, M., Carranza, and & Michiels, N. K also investigates reproduction abilities of flatworms. However, this article centers around the question of competitions between species while our research investigates asexual multiplication in order to understand its peculiarities and use them to understand the same processes peculiar for human beings..

It should also be said that the issue of asexual multiplication is very important nowadays as it can promote further development of the understanding of regenerative processes peculiar for people. With this in mind, it is possible to suggest further investigation of this issue in order to obtain more distinct results.

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