Are nematodes exclusively parasites?

1 Answer

Answer :

There are parasitic roundworms, including parasites of plants, but there are also free-living nematodes.

Related questions

Description : Are mollusc metameric beings? Exclusively analyzing this feature could it be said that molluscs are evolutionarily proximal to nematodes or to annelids?

Last Answer : In molluscs there is not a body divided into segments. Considering just this feature it could be said that evolutionarily they are more proximal to nematodes than to annelids.

Description : Not all animals have a circulatory system. Poriferans, cnidarians, platyhelminthes and nematodes (in these there are the pseudocoelom fluid but no vessels) are avascular animals. Echinoderms do not have true circulatory systems either.

Last Answer : What is the alternative means for transport of substances in animals without a circulatory system? Why is blood important for larger animals?

Description : How is the nervous system characterized in beings of the phylum Annelida? How can one compare cephalization in annelids to cephalization in nematodes and platyhelminthes?

Last Answer : Annelids have a nervous system made of two ventral chords and one relatively big nervous cell concentration in its anterior portion resembling a primitive brain. Nematodes have an anterior neural ... is more outstanding than in nematodes or in flatworms. Image Diversity: earthworm nervous system

Description : Which are the morphological features that differentiate the beings of the phylum Annelida from nematodes and platyhelminthes?

Last Answer : Platyhelminthes are worms with flat bodies (flatworms), nematodes are worms with cylindrical but not segmented bodies (roundworms). Annelids are cylindrical worms with segmented bodies (they are metameric).

Description : Nematode identity card. How are nematodes characterized according to examples of representing beings, basic morphology, type of symmetry, germ layers and coelom, digestive system, respiratory system, circulatory system, excretory system, nervous system and types of reproduction?

Last Answer : Examples of representing beings: ascaris, hookworms, filaria, pinworms. Basic morphology: cylindric (round) body, not segmented. Type of symmetry: bilateral. Germ layers and coelom: ... ganglial chord, primitive cephalization. Types of reproduction: sexual. Phylum Annelida - Q&A Review

Description : How is the nervous system of nematodes organized? Where are the neural chords located in their body?

Last Answer : Roundworms have a ganglial nervous system with an anterior neural ring representing (evolutionarily) a primitive cephalization. Nematodes have two main longitudinal ganglial chords that extend one dorsally ... , Horvitz and Sulston). Phylum Nematoda Review - Image Diversity: nematode nervous system

Description : How does the excretory system of nematodes work?

Last Answer : The metabolic residuals of nematodes are collected by two longitudinal lateral excretory channels that open in one single excretory pore near the mouth. Phylum Nematoda Review - Image Diversity: nematode excretory system

Description : Compared to platyhelminthes which physiological problem have the cylindrical body of nematodes brought? How was that problem solved?

Last Answer : The cylindrical shape of nematodes made impossible the respiration exclusively by simple diffusion among cells since there are tissues far from the exterior. This problem was solved by the ... respiration is cutaneous; it is considered that these animals still make respiration by diffusion).

Description : What is the main evolutionary innovation presented by nematodes? What is the advantage of that innovation?

Last Answer : The main evolutionary innovation of nematodes is the complete digestive system, with two openings (mouth and anus). Since the ingestion and the defecation processes can occur in different ... body and not yet eliminated. Phylum Nematoda Review - Image Diversity: nematode digestive system

Description : Are nematodes diploblastic or triploblastic animals?

Last Answer : Just like platyhelminthes, nematodes are triploblastics, i.e., they present three germ layers (ectoderm, mesoderm and endoderm). Phylum Nematoda Review - Image Diversity: germ layers

Description : What are the morphological similarities and differences between nematodes and annelids?

Last Answer : Nematodes, like annelids, have a cylindrical elongated body. Annelids differentiate from nematodes by presenting a segmented body (body divided into metameres) and so they are called segmented worms.

Description : What is the typical morphological feature of nematodes that differentiates them from platyhelminthes?

Last Answer : Nematodes are also known as roundworms. As the name indicates they are not flat like platyhelminthes. In evolutionary grounds with the nematodes the first complete digestive system appears, with mouth and anus, and the pseudocoelom is also a novelty.

Description : What are examples of nematodes?

Last Answer : Ascaris, hookworm and filaria, all parasites of humans, are examples of nematodes (also known as roundworms). Phylum Nematoda Review - Image Diversity: roundworms ascaris hookworm

Description : What is the main external morphological feature that differentiates platyhelminthes from other worms (nematodes)?

Last Answer : Platyhelminthes are also known as flatworms because they are worms with a flat body. This is the main external morphological feature that differentiates them from nematodes (roundworms).

Description : Praziquantel is effective against B A. Trematodes B. Cestodes C. Nematodes D. None

Last Answer : Cestodes

Description : Cry I endotoxins obtained from Bacillus thuringiensis are effective against (a) nematodes (b) bollworms (c) mosquitoes (d) flies.

Last Answer : b) bollworms

Description : Silencing of mRNA has been used in producing transgenic plants resistant to (a) boll worms (b) nematodes (c) white rusts (d) bacterial blights.

Last Answer : (b) nematodes

Description : The process of RNA interference (RNAi) has been used in the development of plants resistant to (a) nematodes (b) fungi (c) viruses (d) insects.

Last Answer : (a) nematodes

Description : Bt cotton variety that was developed by the introduction of toxin gene of Bacillus thuringiensis (Bt) is resistant to (a) insect pests (b) fungal diseases (c) plant nematodes (d) insect predators.

Last Answer : (a) insect pests

Description : Diphtheria is caused by (a) nematodes (b) bacteria (c) virus (d) none of these.

Last Answer : (b) bacteria

Description : Ringworm in humans is caused by (a) bacteria (b) fungi (c) nematodes (d) viruses.

Last Answer : (b) fungi

Description : Damping-off is caused by: a. Fungi b. Bacteria c. Nematodes d. Virus

Last Answer : Fungi

Description : Nematodes are — a. Monoblastic b. Diploblastic c. Triploblastic d. None of these

Last Answer : c. Triploblastic

Description : Mention the class of Echinococcus a) Cestoda b) Trematoda c) Turbularia d) Nematodes

Last Answer : a) Cestoda

Description : Which anthelmintic drug acts through a specific glutamate gated Cl– ion channel found only in nematodes: A. Ivermectin B. Niclosamide C. Pyrantel pamoate D. Praziquantel

Last Answer : A. Ivermectin

Description : he following anthelmintic acts as a cholinergic agonist in the nematodes and causes spastic paralysis of the worms: A. Piperazine B. Pyrantel pamoate C. Mebendazole D. Thiabendazole

Last Answer : B. Pyrantel pamoate

Description : Mention the class of Echinococcus a) Cestoda b) Trematoda c) Turbularia d) Nematodes

Last Answer : a) Cestoda

Description : With the new awareness of brain-eating bacteria and other parasites, is it safe or adviseable to swim in untreated creek water or spring water?

Last Answer : I did, all my life.

Description : Do you have clothing that you will (exclusively) wear on the day that your confidence is 110%?

Last Answer : Hmm. My fursuit?

Description : Do large (old) freshwater game fish have parasites that make them unfit for human consumption?

Last Answer : I wouldn't worry about it, unless you haul the fish out of some nuclear waste pond. haha I'm pretty sure our ancestors didn't throw back the big old fish because they were worried about them being ... eat animal liver and that is the most toxic organ in the body. The organ that absorbs all toxins.

Description : Are there any modern SciFi Strategy games that deal almost exclusively with space exploration and colonisation, with little to no combat involved?

Last Answer : answer:Maybe this will help. I recently picked up Elite Dangerous and it's pretty amazing visually. It mostly involves trading and doing little jobs to earn credits: presumably to buy a bigger, better ship. ... two are more your style. Kerbal Space program is worth a look too. I love that game.

Description : I drink milk almost exclusively instead of water, is that a problem at all?

Last Answer : Your body really needs water. That much milk could cause weight gain and more congestion if you’re prone to allergies. Some milk is fine but you should try to get in the habit of drinking at least 3 or 4 glasses of water everyday along with your milk and sprite. haha

Description : Why are people on welfare benefits often considered to be parasites?

Last Answer : answer:Because there is a percentage of people on public assistance who really do work the system. They work minimal or no hours to maintain their free money from the government. They do behaviors that people ... it is a way of life that it bothers people. Many people focus on those who abuse it.

Description : Adobe Users In Particular, but not exclusively: Are you upset by the move to metered service on the cloud?

Last Answer : answer:I’m sticking with CS6 and Little Snitch. I have a legit copy and I still block it from calling home. Apparently the new version only has to check once a month. I don’t use it enough to justify the cost so I will stick with CS6.

Description : Why don't the scientists do something really helpful like the complete eradication of fleas and other dangerous parasites?

Last Answer : Because compared to GMO corn, there’s no money in it. That’s the short story.

Description : What do you know about chiropractic services which deals exclusively with the brain-body connection?

Last Answer : answer:I have heard such explanations among other rationales for the mode of action of chiropractic adjustments. Before my serious injury, I found chiropractic treatments made me feel better. Since my ... duration. The rationale of the chiropractor does not seem to make a difference in outcomes.

Description : Why aren't we measuring (exclusively) in metric yet?

Last Answer : We ? Amerika and Liberia are the only two nations on Earth which haven't officially adopted metric. There are plenty of people on Fluther not from Amerika or Liberia. And ... Earth: a combination of unwarranted arrogance and crushing ignorance caused by a deliberately sabotaged educational system.

Description : Can parasites cause burn marks on skin?

Last Answer : it has to be something acidic if its a burn

Description : If you work almost exclusively on a computer at your job, does it frustrate you when people assume you're just goofing off?

Last Answer : answer:Yes! When I worked like that then people would ask me all the time to look stuff up for them or ask me why I hadn't answered their personal emails. You're on the computer ALL DAY, surely ... a laptop to keep me company super long shifts while on a switchboard so I actually can goof a bit.

Description : Is it a good idea to brush teeth exclusively with baking soda over the long term?

Last Answer : I’m not sure about this but I believe that it is too abrasive to use over the long term. It would wear down the enamel on your teeth. Once in a while is okay though.

Description : Does President Obama really have parasites? Is his health good?

Last Answer : answer:Stop believing what you read in tabloids. In the unlikely the President contracted parasites his doctors would eradicate them. In the event that a President is ill and unable to perform his job the Vice President steps in.

Description : What is exclusively yours?

Last Answer : Everything in my room. When my roomie moved in, I took my PC in there, too. This is my sanctuary, and I will fight as a pregnant wolverine against those who would seek to violate it.

Description : Would you sign up to a dating site which is exclusively for ugly people?

Last Answer : answer:That site is being trolled hardcore right now by other websites that I shall not mention by name. Personally, I wouldn't join it because I'm a hot piece of ass and I'm not cruel enough to recommend it ... it's a good idea, I guess. If it works for some people, then great, more power to them.

Description : Why isn't there a Fast-Food franchise that sells exclusively healthy meals?

Last Answer : There is Crispers.

Description : Are puppy parasites contagious?

Last Answer : Yes, they are. Get yourself checked.

Description : Can all parasites be discovered with a stool exam?

Last Answer : Parasites are not evaluated in a standard stool examination. Special testing is required. Moreover, as you “feared”, not all parasites can be detected by regular tests, and sometimes require more sophisticated ones. That said, most people living in Western countries do not have parasites.

Description : Is there a site (something like all music.com) that deals exclusively with soundtracks and composers?

Last Answer : I believe, but I’m not positive, that you can do that at imeem.com

Description : Are men who date strippers exclusively .....losers?

Last Answer : Yes. and stop asking questions about strippers.

Description : Did you go to a weird school where you were taught how to square dance in middle school? If so, what state were you in (presumably this was exclusively an American thing) and how did it go?

Last Answer : answer:I went to school in Australia for a few years and we also did this in school. It was every bit as awkward.

Description : Would you watch tv on your computer exclusively?

Last Answer : I am not willing to pay for much. But I would happily install a pirated version.