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Unsegameted worms offen are larger and their shape makes them more popular since flat worms aren't noticed so the more popular the more advance.
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Are segmented worms more complex than coelenterates?
Segmented worms are more complex that coelenterates because their bodies are made up of three layers of cells, rather than two layers like for coelenterates. Each layer of cells is filled with specialized tissues and organs.
What are examples segmented worms?
All members of the Annelida phylum are segmented worms. These are more commonly known as earthworms.
Do Longer worms have less more or the same number of segments as short worms?
longer worms have more, less, or the same segmented
Is a flatworm segmented or non segmented?
Yes; although most of them are bisexual, very few of them, like Schistosoma, are dioic, having separate masculine and feminine organisms.
What class is an earthworm in?
the phylum is annelida, class is oligochaeta Earth worms are segmented worms so if you have any questions just google segmented worms and you will get more good sites than if you google earthworms.
Is an earthworm a flatworm?
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.
How do platyhelminths differ from nemathelminths?
Brief answer only. Phyllum Platyhelminthes are the flatworms. These have three layers of cells. Phyllum Annelidia are the segmented worms. These have blood vessels, a developed nervous system, and a digestive system organized round a central tube.
Which is more similar a segmented worm or a mosquito and a cane fly?
Mosquitoes and (Crane) flies are all closely related. They are much more closely related to each other than to segmented worms.
What are the phyla's of annelids?
Annelids (Round, Segmented worms) ; Are animals, to be more precise, invertebrates (no backbone) They are round and segmented, have no legs, and may be parasitic, aquatic or beneficial. Examples are: Earthworm and Leech
Why are segmented worms more complex than coelenterates?
Round worms belong to phylum Ascelminthes (nemathelminthes) ,a higher phylum than sponges (poriferans) and coelenterones.Round worms are bilaterally symmetric.which is considered as a superior quality.Also they are triploblastic and has a well developed muscular pharyx.Sexual dimorphism is also seen in round worms.
What features do Segmented Worms have?
Segmented worms, also called annelids have body parts that are duplicated in each segment. If one segment is damaged, some annelids can survive. They also have setae, or two pairs of hairs found on each segment. These hairs grip the soil and get around more efficiently.
Who identified schistosomes?
Schistosomiasis.is.caused by the larvae of one or more of five types of flatworms or blood flukes known as schistosomes. Theodor Bilharz, a German pathologist.identified the worms in 1851.
