Wanted PHYLUM NEMATODA ;COMMON NAME: ROUNDWORM What causes this disease: contaminated soil‚ contaminated food and water‚ and insects. Genus: Toxocara Species: Toxocara canis How they’re spread: Roundworms are quite common in animals‚ who easily spread the infection when the worm eggs develop into larvae and are in the animals feces. Pets get the infection by eating infected soil‚ licking contaminated fur or paws‚ or drinking contaminated water. If the pet is a female and had babies‚ the babies
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Flatworm Lab: Platyhelminthes Experimental Design: Planaria are free-swimming mostly freshwater flatworms. Flatworms are very unique creatures because they regenerate lost parts. My groups experiment was‚ The Effect of Darker Regions on Planaria Movement. The purpose of this experiment was to see whether or not the planaria preferred the white region or the dark region. My hypothesis was‚ If the Planaria are placed on the white side then they will move to the dark side because the planaria have
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Nematodes The phylum Nematodes also known as roundworms are one of the most common phyla of animals. There are over 20‚000 different species of roundworms. Roundworms can be found in water‚ and on land. Roundworms have a complete digestive system with two separate openings one for food and one for getting rid of waste. This type of digestive system is very common in complex animal. Nematodes use external and internal pressure and body movement to move food through their digestive tracts
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Planaria are commonly known as flatworms. Ordinarily‚ these flatworms tend to stay near the edges or walls (Akiyama & Shitaro). They receive oxygen through their skin. They may not look like humans but their reactions to certain drugs or stimulants are quite similar to those of humans. Caffeine is known to increase individual’s energy and physical activity‚ leading to the question of how different concentrations of caffeine would affect planaria’s physical activity. Low doses of caffeine enhance
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Toxocariasis Toxocariasis is an infection caused by the parasitic roundworms commonly found in the intestine of dogs and cats. It can result in permanent vision loss if it spreads to an eye. CAUSES This condition is usually caused by swallowing something that has been infected with roundworm eggs. Roundworm eggs can be found in dirt and animal feces. SYMPTOMS Symptoms of this condition include: Vision loss. Poor appetite. Fever. Coughing. Rash. Abdominal pain.
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Ascaris lumbricoides are the most common worm infection found in humans‚ this is because with 200‚000 eggs that are being made and excreted each day‚ that the chances of infection are exponential. Ascariasis is also known as the Giant roundworm. The Giant roundworm can grow up to 35 cm or 13.7795 inches. This worm may not seem very harmful but the cycle of life never ends‚ more than 100 million people become infected‚ this greatly increasing the chance of more people becoming infected. The symptoms
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chose to use flatworms due to their ability to grow into a new animal if cut in half or several pieces. This reproductive ability to regenerate is called fission and occurs in flatworms due to their embryonic stem cells called neoblasts. We obtained the flatworms used in this experiment by first placing a few drops of spring water on a petri dish so that the flatworms will be able to survive a couple of weeks‚ and not be dehydrated. Next‚ we used a pipette to gather the flatworm and then placed
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I. Platyhelmithes Kayla Smith A. Structure and Function of Flatworms Period 2 1. Flatworms are the simplest animals with bilateral symmetry. 2. The tissues in bilaterally symmetrical animals develop from three germ layers: Ectoderm‚ Mesoderm‚ and Endoderm. 3. In flatworms‚ the layers are pressed against one another to form a solid body. 4. Because flatworms do not have a hollow body cavity between the endoderm and mesoderm‚ they
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are the flatworm and the roundworms. However‚ every kind belongs to different phylum‚ so they are not closely related to each other. Flatworms ( phylum Platyhelminthes) and roundworms ( phylum Nematoda)‚ but there are many similarities and differences between these two types of organisms. Similarity: • There are many similarities between the two groups of worms‚ Platyhelminthes and Nematoda. There are true animals and have all characteristic that Classified as Eumetazoa .Both flatworms and roundworms
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Flatworm Photo Sensory Behaviors Joshua Krystyniak BIO 218 Fall 2010 Lab: Wednesday 9 a.m. Introduction An organism’s environment can impact it in several different ways a few examples of this are temperature‚ lighting‚ and food sources. Some organisms have evolved certain structures to aid in the sensory of light and dark; one such example is certain members of the class Turbellaria have developed structures called photoreceptors (Pike et al. 1986). Certain
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