LESSON 7: ANNELIDA

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clear juice

Subdecks (2)

Cards (9)

  • BAUPLAN
    • Setae/Chaetae
    • one or more pairs of chaetae is made up of beta-chitin (flexible and tough), strengthened with sclerotized protein or inorganic material like calcium carbonate
    • Prostomium
    • anterior-most part
    • Septa
    • isolates segment from one another
    • Pygidium
    • posterior-most part
  • BODY WALL
    • Collagenous cuticle
    • Nonliving; permeable to both gas and water
    • Simple glandular epidermis
    • Setae is located
    • Muscular layer
    • outer circular, inner longitudinal, oblique
  • NERVOUS SYSTEM
    • CNS/Brain
    • Ganglion/Segmental Nerves
    • Giant axons
  • EXCRETORY SYSTEM
    • Protonephridia
    • Metanephridia
  • DIGESTIVE SYSTEM
    • Straight tube
    • Mesenteries
    • Calciferous glands
    • Other parts:
    • Mouth
    • Pharynx
    • Esophagus
    • Crop
    • Gizzard
    • Intestine
  • REPRODUCTION AND DEVELOPMENT
    • Asexual
    • fragmentation
    • Budding
    • Fission
    • Sexual
    • gonochoristic
    • spawns gamete through metanephridia
    • Trochohore larva