Identify and describe the features of Rotifera and Acanthocephala that make them distinct from one another, and how is the ‘relatedness’ of these organisms supported by molecular data? Identify two specific anatomical features of free-living and parasitic flatworms and relate it to their mode of living.
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Identify and describe the features of Rotifera and Acanthocephala that make them distinct from one another, and how is the ‘relatedness’ of these organisms supported by molecular data?
Identify two specific anatomical features of free-living and parasitic
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- How can Strongyloides and hookworms be differentiated in terms of their morphology? Why does A. lumbricoides need to embryonate? What are the distinguish characteristics of T. trichuiria and C. philippinensis?For each of the following classes of Arthropods, identify a feature unique to the class and at least 2 organisms that belong to the class: Insecta Crustacea Chelicerata Diplopoda 2. State the function of the following parts of the genus Romalea (grasshopper): antenna, tympanum, spiracles, ovipositor (female), gastric caeca, malphigian tubules, tracheae, air sacs .What is the habitat of Cephalobus? Compare its general structures to Ascaris, Trichinella, and Enterobius. What structures are associated with its free-living form? What is the scientific value of the Cephalobus?
- Identify and label the parts of the following specimens in Phylum ArthropodaFor the phylum Gastrotricha please provide: - -- General biology. Approximately how large is the phylum? What do they look like? In what types of environments are they found? What do they eat? Do they have any unique body structures? --Phylum features. Protostome vs deuterostome vs?? Type of digestive system, circulation, respiration, mode of reproduction (note some of these structures may be absent or not known in which case say that don’t just leave them out). --Phylogenetic position. What other phyla are close relatives? What features do they share? Show recently accepted phylogeny.Describe the process of respiration of Nile Tilapia and Acoelomate flatworms,
- Describe and contrast the tegument of most turbellarians and the other classes of platyhelminths. Does the tegument provide evidence that trematodes, monogeneans, and cestodes form a clade within Platyhelminthes? Why?Distinguish the following phyla by their characteristics and features. Give a specific example for each. A. Poriferans B. Cnidarians C. CoelenteratesCreate a cladogram summarizing the phylogenetic relationships among the different phyla. Phyla: Porifera Cnidaria Platyhelminthes Annelida Mollusca Nematoda Arthropoda Echinodermata Chordata Characters: True tissues Blastopore forms the mouth Blastopore forms anus Undergo ecdysis Notochord Mantle and muscular foot Water vascular system Trochophore Segmented jointed appendages Chitinous setae Muscles and nerves Triploblastic
- Which of the following is true about polychate worms (Feed using nematocysts/ part of the ecdysozoa/ typically live in the marine environment/ unsegmented with a radially symmetrical body)?Identify and label the parts of the following specimens of Phylum Nematoda:Aside from ecdysis, describe two (2) common characteristics shared by the different smaller phylum under Ecdysozoa: Kinorhyncha, Priapulida, Nematomorpha.