Classes, Sub-classes and Orders Modern Classification . The middle layer in these animals is made up of spongy mesoderm cells and i… Leech and Nereis belong to phylum annelida because they have metamerically segmented body, i.e., body is divided into many segments internally by septa. Furthermore some speciesfrom this phylum exhibit some unique shapes and brilliant colours. b)Trematoda. C) Arthropoda. 02. Fluke, any member of the invertebrate class Trematoda (phylum Platyhelminthes), a group of parasitic flatworms that probably evolved from free-living forms millions of years ago. See Concept 33.3 (Page 692) All the following animals are included in the flatworms Phylum, EXCEPT: A flatworms B earthworms C flukes D tapeworms E These are all flatworms. Phylum Platyhelminthes belongs to the kingdom Animalia. a. Platyhelminthes b. Nematoda c. Mollusca d. Arthropoda 3.

The major subphylum is Vertebrata, where you come across a variety of fishes, reptiles, birds and animals. Phylum Aschelminthes. The most distinguishing feature of these invertebrates is their flat body. Lophotrochozoa (/ l ə ˌ f ɒ t r oʊ k oʊ ˈ z oʊ ə /, "crest/wheel animals") is a clade of protostome animals within the Spiralia.The taxon was established as a monophyletic group based on molecular evidence. a) Taenia. Join now. This also indicates that these animals have distinct head and tail ends. Animal Kingdom Classification. The class Anthozoa includes all cnidarians that exhibit a polyp body plan only; in other words, there is no medusa stage within their life cycle. Body having 3 layers of tissues with organs and organelles. General Characteristics of Phylum Aschelminthes: Some of the general characters of phylum Aschelminthes or Nemathelminthes are as follows: 1. Who among the following does not belong to phylum Platyhelminthes?a. 4. Earthworms belong to the phylum 3. Which of the following is true of members of the phylum Cnidaria? answer choices . Phylum Platyhelminthes (Flatworms) Platyhelminthes are structurally simple, wormlike invertebrate … A) cnidaria B) platyhelminthes C) nematoda D) annelida. The small subunit is the 16s component of the rDNA. ADVERTISEMENTS: In this article we will discuss about the General Characters and Classification of Phylum Aschelminthes. 3. Phylum Platyhelminthes is the first phylum to be cephalized a. Your email address will not be published. The classical characteristics defining the phylum Platyhelminthes are: bilateral ... belong to the Lophotrochozoa, whereas the Acoelomorpha represent a separate offshoot at the base of the Bilateria (Hejnol et al., 2009). Non-motile, multicellular organisms with the hard outer skeleton. Which Phylum Belongs At Position 3? 2. Canal system is present in phylum: Porifera Cnidaria Echinodermata Protozoa. The heartworms that can accumulate within the hearts of dogs and other mammals have a pseudocoelom, a complete gut and an outer covering that occasionally sheds. SURVEY . This phylum includes 13,000 species. crab. Question 31. 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