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Having _______ is a synapomorphy of bilaterians.
collagen |
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the ability to move |
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a notochord |
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3 germ layers |
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- True or False. The body surface (tegument) of trematodes and cestodes is composed of non-living material. True FalseThese differ from the other classes of sponges in that their cells are syncytial (multinucleate and only a few cells or even one cell can cover the entire skeleton) Hexactinellida Calcerea Demospongia HomescleromorphaThe mature proglottids as shown in the image below is a taken from Nematodes All of the choices are correct. O Trematodes O Cestodes
- can someone make me some brochure in canvathe topic is to make a brochure that represents Porifera, Coelenterata, Platyhelminthes, Aschelminthes, Annelida, Arthropoda, Mollusca, Echinodermata, Chordata. under phylum of animaliaA triploblastic acoelomate would have which THREE among the following elements? Endodermis Mesohyl Mesoglea Digestive cavity Parenchyma Epidermis PseudocoelWhich of the following structures would be found in the mesohyl of a sponge? amoebocytes and choanocytes amoebocytes and spicules spicules and choạnocytes amoebocytes and polyps
- Which of the following is NOT a shared characteristic of all chordates? vertebral column pharyngeal gill slits post-anal tail notochord dorsal, hollow nerve cord 2. Lichens are a symbiosis between______________ and ________________. Unicellular protist/ fungus Unicellular protist or cyanobacteria/ fungus Multicellular protist/ fungi Plant/ fungi animal/ fungiMicorgnathozoans are characterized by (check all that apply) - dorsal plates - ventral plates - cellular epidermis - ciliary adhesive padWhich of the following is/are true of Nemertea partitioned coelom. eversible proboscis blood vascular system Orhynchocoel
- The organism below belongs to phylum ______________. Porifera Arthropoda Cnidaria MolluscaSpicules are formed by Scleroblasts Silicoblasts Scleroblasts Calcoblasts Miracidium is a larval stage in the development of… Taenia solium Echinococcurs granulosus Ascaris lumbricoides Fasciola hepatica Hydrozoans are classified under cnidaria because of the presence of… Tentacles Cnidoblasts Hypostome Interstitial cellsFigure 27.6 Which of the following statements is false? Eumetazoans have specialized tissues and parazoans don’t. Lophotrochozoa and Ecdysozoa are both Bilataria. Acoela and Cnidaria both possess radial symmetry. Arthropods are more closely related to nematodes than they are to annelids.