Eukaryotic Microorganisms 3.3

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Eukaryotic Microorganisms 3.3
2014-10-13 16:22:09
helminths arthropods
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  1. worms that live in or on hosts

    consist of a _____: head with suckers and ___: body segments containing reproductive organs

    ex. Taenia species, Hymenolepis species, diplyidium
    • scolex 
    • proglottids 

  2. if eaten, the ____ will develop into a new tapeworm
  3. most worms live in the intestine or circulatory system of hosts

    ex. hookworms, pinworms and several other roundworms live intestines or lymph system
    Roundworms (nematodes)
  4. cause damage while still larvae

    ex. Wuchereria bancrofti: lives in _____
    Roundworm Larvae

    lyphatic tissue and causes elephantiasis
  5. 3 types of flukes
    paragonimus westermani
    clonorchis sinesis and fasciola hepatica
    • lung
    • blood
    • liver
  6. What are the 3 classification of arthropods?
    • arachnids
    • insects
    • crustaceans
  7. found in all environments
    largest group of living organisms ___%

    • joint 
    • foot
  8. What are the 3 groups under parasites?

    --class ____ (spiders, ticks, mites)
    -subphylum _____ (crabs, shrimp)
    - subphylum ______ (insects)
    • parasites
    • intermediate parasites
    • disease vectors

    • arachnida
    • crestacea
    • hexapoda
  9. an organism that transfers a parasite to a new host

    overtime, parasites tend to _____ so as to become less harmful to their hosts

    - if the host dies, the parasite loses it source of ______

    • evolve
    • nutirents
  10. What are the body parts of an arachnid?

    ex. ???
    • - 2 body regions (cephalothorax, abdomen)
    • - 4 pairs of legs (mouthpart)

    spiders, scorpions, ticks and mites
  11. external parasites; vectors of infectious diseases

    some arachnids cause ____
    ticks and mites

    diseases such as infected ticks
  12. denotes disease state involving multiple species of MO

    recent studies show that 24% of the people being treated for tickborne disease are ____

    treatment that kills one of the MO may leave patient suffering from the other undiagnosed disease

    usually inflicted with a second or third such disease
  13. What are the body regions of insects?
    How many pairs of legs does it have?
    - highly specialized mouth pieces
    ex. flies, lice _____, _____, _____

    What are insects that have thick waxy wings and have sucking mouthparts instead of biting?
    • - head, thorax, abdomen
    • - 3
    • -mosquitoes, true bugs 

    true bugs
  14. What can cause salmonellosis

    What is the common housefly?
    -attracted to both human food and human excreta
    -leaves traces of bacteria, vomit and feces whereever it goes

    musca domestica
  15. What are the body segments of crustaceans?
    • head (cephalon)
    • thorax 
    • abdomen (pleon)
  16. Each body segment of the crustacean can bear _______
    segments on the head include: (antennae,___, __)
    thoracic segment bear legs: (pereiopods,_____)
    a pair of appendages

    mandibles, maxillae

  17. trebius shiinoi (a type of copepod, an _____ and ______)

    an ex. is a copepod inside the Japanese angel shark 

    it is an endosymbiont because they ___ in sharks

    _____ because they suck the blood from surface of shark embryos developing inside the uterus
    copepod, endosymbiont

    • live
    • ectoparasite