Fluke tester equipment can be purchased at Canadian Tire, Lowe's as well as Home Hardware. One would use this to test wiring or electrical voltage. Prices vary depending on style and model.
They are not economically important to humans. This is because, being aquatic, animal-like organisms, they don't officially belong to any country. Planarian worms come to America, Great Britain, France, China, South Africa, Canada, Russia, etc. looking for jobs. They take jobs illegally, make money that belongs to that country, but don't give anything back because they don't pay taxes. They were the economic downfall of Greece, and if you don't watch out, they'll be your country's downfall, too.
1)Bilaterally symmetrical.
2)Body having 3 layers of tissues with organs and organelles.
3)Body contains no internal cavity.
4)Possesses a blind gut (i.e. it has a mouth but no anus)
5)Has Protonephridial excretory organs instead of an anus.
6)Has normally a nervous system of longitudinal fibres rather than a net.
7)Generally dorsoventrally flattened.
8)Reproduction mostly sexual as hermaphrodites.
9)Mostly they feed on animals and other smaller life forms.
10)Some species occur in all major habitats, including many as parasites of other animals.
species of schistosomes . Schistosoma mansoni is widespread in Africa, the Eastern-Mediterranean, the Caribbean, and South America and can only infect humans and rodents.
Flatworms have bilateral symmetry. Bilateral symmetry means the animal has symmetry across one plane (known as the sagittal plane, and directly down the centre of their body), which means one side of their body approximately mirrors the other side.
Are you asking: "how long does a flatworm live?"
If so, this is not an answerable question--there are too many types of flatworms to make a generalization.
I personally know of one type of flatworm which can re-generate--cut off any part of it's body, and that part will re-generate. As long as the head remains attached, the re-generation can take place.
I did a science project using freshwater planarians, where I explored this phenomenon.
No, a heartworm is worm that slowly...eats(one way to put it) the heart of any animal or human. a roundworm doesnt really cause much harm. Its a worm that takes the shape of a circle undera small bit of skin. its visual
Flatworms - classified as having a flat leaf or flat ribbon shaped body and a pair of eyes up front. Most are parasitic.
Examples of the flatworm include Tricladida, flukes, and tapeworms.
Roundworms (aka nematodes) - has over 80,000 species which many of are parasitic. They have round bodies of varied sizes.
Examples of the roundworm include whipworms, hookworms, and pinworms.
Segmented Worms - As their name describes, their bodies are divided into segments.
Examples of the segmented worm include the bristle worm and earthworms.
No flatworms do NOT have nostrils they have eyes and the ability to regenerate damaged parts of their body but no nostrils.
roundworms have 2 body opening. The mouth and the anus
No, flatworms are from the phylum Platyhelminthes, while worms are from the phylum Annelidia. Worms are more developed and have a coelum, while flatworms have no coelum at all.
flatworms arent round but flatworms look like pancakes. they both belong to the invertabre group and have similar internal organs.
Flatworms are important to nature as they can be an indicator of changes in the habitat because they are sensitive to water and indicate reduced oxygen, among other things. They are also important because the ecosystem is based on all living creatures and the flatworms eat the tiny plans and animals that go unseen and then when they are eaten by fish or aquatic insects the base of the food chains that the flatworms ate then become part of the larger ecosystem food chain.
Flatworms are considered acoelomate, since they have no body cavity, and roundworms are pseudocoelomate because they have a body cavity, but it is not derived from the splitting of the mesoderm tissue.
Also, flatworms only have one opening in their digestive system unlike roundworms with two.