We have organized these presentation topic ideas by subject so you can easily browse through and find what you're looking for. That’s why we put together a list of more than 200 ideas to help you out. We know how difficult it is to come up with an interesting presentation topic idea on the fly. They can reach 0.33 mm in length and are covered with minute hair-like organelles called cilia…. List of Presentation Topic Ideas for Students. Paramecium caudatum is a species of unicellular protist in the phylum Ciliophora. Parasite-mediated heat and osmotic stress resistance have been demonstrated for Paramecium caudatum, infected by several species of parasitic bacteria of the genus Holospora. Under certain conditions, otherwise parasitic organisms may become beneficial to their host. This pairing can last up to 12 hours, during which the micronucleus of each organism will be exchanged. They are covered in cilia which help in movement and feeding.
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Paramecium aurelia are unicellular organisms belonging to the genus Paramecium of the phylum Ciliophora. These two factors have been termed equalizing and stabilizing mechanisms, respectively. Two qualitatively different processes can help species to coexist: a reduction in average fitness between species or an increase in niche differentiation between species. The conditions were to add fresh water every day and input a constant flow of food. Georgy Gause formulated the law of competitive exclusion based on laboratory competition experiments using two species of Paramecium, P. What is Georgy Gause’s P Caudatum and P Aurelia experiment? caudatum for food, leading to the latter’s eventual extinction. But when they are placed together in the same test tube (habitat), P. The competitive exclusion principle states that two species cannot occupy the same niche in a habitat. Why does P Aurelia outcompete P Caudatum? Imagine if they all had intense competition within their ranks while also having the added pressure of another species competing for that niche. Lions, leopards, cheetahs, painted dogs, and hyenas all partition their niches with one another. That’s because species with identical niches also have identical needs, which means they would compete for precisely the same resources. The competitive exclusion principle tells us that two species can’t have exactly the same niche in a habitat and stably coexist. Can two different species occupy the same niche?