what is the difference between flatworms and tapeworms?
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A flatworm has a thin, dorsoventrally flattened body. Roundworms are more cylindrical in shape and tapered to a fine point at one end. Similarly, roundworms have a rigid outer covering called a cuticle that they shed repeatedly throughout their lives and as they grow.
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Pinworms are also called “threadworms.” They're the most common type of intestinal worm infection in the U.S., and one of the most common in the world. They're thin and white, and about one-quarter to one-half inch long -- about as long as a staple. Tapeworms are flat worms that look a bit like ribbons.
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Flatworms (phylum Platyhelminthes) are simple animals that are slightly more complex than a cnidarian. Roundworms (phylum Nematoda) have a slightly more complex body plan. Segmented worms (phylum Annelida) are the most complex animals with worm-like body plans. ... Worms are invertebrate animals with bilateral symmetry.
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Pinworms are small, threadlike parasites that live in the colon and rectum of infected individuals. Pinworms are a species of roundworm (nematode) called Enterobius vermicularis. The worms are just a few millimeters long.
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Flatworms are more complex than cnidarians. Cnidarians have two layers of cells, the ectoderm and the endoderm; flatworms have a middle layer called the mesoderm between the other two layers (Fig.
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The big difference between the two is the way the get their food. A mushroom feed on dead organic matter while a tick feed on a living host. Saprophytes are plants while parasites can be plants or animals.
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Because tapeworms feed on the nutrients passed in the small intestine, your dog may seem more hungry than usual as she is unwittingly sharing her meals with a nasty intestinal parasite. If the infestation lasts long enough, your dog might even lose weight.
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Lesson Summary Flatworm adaptations include mesoderm, muscle tissues, a head region, and bilateral symmetry. Flatworms are free-living heterotrophs or parasites. Roundworms are invertebrates in Phylum Nematoda. Roundworms have a pseudocoelom and complete digestive system.
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Can I get tapeworms from my dog? You cannot get Dipylidium caninum tapeworms directly from your dog, as it depends on the flea as the intermediate host. A person must swallow an infected flea to become infected with this type of tapeworm. A few cases of tapeworm infection have been reported in children.
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A tapeworm body consists of multiple parts, or segments, each with its own reproductive organs. Tapeworm infections are usually diagnosed by finding segments—which appear as small white worms that may look like grains of rice or seeds—on the rear end of your cat, in your cat's feces, or where your cat lives and sleeps.
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There are different kinds of tapeworms, but the most common one is caused by swallowing a tiny infected flea. Fleas can carry the tapeworm's larvae or babies. If your dog swallows it -- maybe while grooming himself -- an adult tapeworm can grow inside your dog's intestines.
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Flatworms belong to phylum Platyhelminthes. They do not have a coelom, respiratory system or a circulatory system. ... Segmented worms have a true coelom, a circulatory system and a digestive system.An earthworm is a segmented worm.
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Flatworms are bilaterally symmetrical organisms, with three germ layers (ectoderm, endoderm, and mesoderm) but lack a body cavity or coelom. The nervous, digestive, muscular, excretory, and reproductive systems are more advanced than those of the phyla you have already looked at.
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Roundworms are more cylindrical in shape and tapered to a fine point at one end. Similarly, roundworms have a rigid outer covering called a cuticle that they shed repeatedly throughout their lives and as they grow. Flatworms do not have this; their bodies, instead, are covered with cilia, hairlike growths.
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Roundworms and Tapeworms are the most common. Both of these types spend their adult life in the cat's bowels, and in small numbers they are not very harmful. However, in large numbers they can cause suffering, illness and even death.
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Segmented worms are found in nearly all environments. The three main worm phyla are flatworms, roundworms, and segmented worms. Roundworms have a digestive tube that has two openings. Segmented worms have a closed circulatory system in which blood is enclosed in blood vessels.
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In the stool, adult roundworms and hookworms will appear as small to large, off-white to tan, spaghetti shaped parasites. Human infection with roundworms and hookworms is possible. Tapeworms will appear as small, off-white to tan segments in stool or clinging to hair around the genital area.