ENTM206 UNIT 1

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craigalangray
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98433
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ENTM206 UNIT 1
Updated:
2011-08-27 09:45:18
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ENTM Unit
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ENTM Unit 1 Flashcards as provided by Dr. Oseto
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  1. Postoral segments 1,2,3,4,5,6 and 7 of the insectan ancestor gave rise to what structure in modern insects?
    • 1. Lost in the head
    • 2. Mouthpart (mandible)
    • 3. Mouthpart (maxilla)
    • 4. Mouthpart (labium)
    • 5,6 & 7. 1st, 2nd & 3rd pair of legs.
  2. Characteristics of
    Chelicerata
    • Subphylum of Arthropoda w following characteristics:
    • 1. 1st pair of appendages pincer like structures (chelicerae)
    • 2. Body divided into cephalothorax & abdomen
    • 3. Lack antennae
  3. Characteristics of
    Mandibulata
    • Subphylum of Arthropoda
    • 1. One pair of mouthparts dev into mandibles
    • 2. Two pair of mouthparts dev as maxillae
    • (maxilla & labium)
    • 3. One or 2 pairs of antennae
  4. External Characteristics of Arthropods
    • 1. Bilateral symmetry
    • 2. Segmented Body
    • 3. Pair of appendages on each body segment
    • 4. Segmented appendages posterior to mouth formed
    • into mouthparts
    • 5. Body covered by exoskeleton
  5. Internal Characteristics of
    Arthropods
    • 1. Dorsal heart
    • 2. Ventral nervous system
    • 3. Stomodaeum (foregut), proctodaeum (hindgut),
    • respiratory tract, and ducts lined with cuticle (exoskeleton)
  6. ´╗┐´╗┐Common Names and Characteristics
    of Crustacea
    Lobsters, shrimps, sowbugs, pillbugs, crabs...

    • Body divided into cephalothorax & abdomen,
    • 1 to 2 pair antennae, 5-7 pairs of legs,
    • mostly aquatic
  7. Common Name and Characteristics
    of Insecta
    Insects

    • Body divided into head, thorax & abdomen
    • 3 pairs of legs, some w 1-2 pairs of wings
    • 1 pair of antennae
  8. Common Names and Characteristics
    of Arachnida
    Ticks, mites, spiders, scorpions...

    • Body divided into cephalothorax & abdomen
    • 4 pairs of legs
    • no antennae
    • eyes simple
  9. Common Name and Characteristis of Diplopoda
    Millipede

    • Body divided into head and trunk
    • 2 pairs of legs per body segment
    • 1 pair antennae
    • plant feeders (phytophagous)
  10. List the Arachnid Orders
    • Araneae = spiders
    • Acari = ticks and mites
    • Scorpiones = scorpions
    • Opiliones = daddy longlegs
  11. Common name and Charac of
    Chilopoda
    Centipede

    • Body divided into head and trunk
    • 1 pair legs per body segment
    • 1 pair antennae
    • 1st pair of legs modified into poisonous jaws carnivorous
  12. Hierarchical Classifications
    Kingdom, Phylum, Class, Order, Family, Genus, Species
  13. 5 Arthropod Classes
    • Chilopoda
    • Diplopoda
    • Insecta (Hexapoda)
    • Crustacea
    • Arachnida

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