Annelid Test

  1. What does it mean to be a hermaphrodite?
    One has male and female reproductive parts.
  2. What type of body symmetry do worms have?
    Bilateral
  3. Name the structure that forms a wall to separate segments in a worm's body.
    Septa
  4. What helps an earthworm move?
    • Longitudinal Muscles
    • Circular Muscles
    • Setae
  5. What time of day are earthworms active?
    Night
  6. What do you call the head of an earthworm?
    Prostrium
  7. Ways that annelids can help humans:
    • Aeration of soil
    • bait for fishing
    • medicinal reasons
  8. Which part of the earthworm is thickened for reproduction?
    Clitellum
  9. How many aortic arches do earthworms have?
    5
  10. What class do earthworms belong to?
    Oligochaeta
  11. What class do leeches belong to?
    Hirudinea
  12. When it is rainy, what do earthworms do in order to breathe?
    • stick its mouth out
    • stick its anus out
  13. There are four pairs of what on each segment of earthworms?
    setae
  14. What do leeches use to suck blood?
    Muscular proboscis
  15. What do leeches release to keep blood from clotting?
    anticoagulant
  16. Why would a doctor need a leech in a medical situation?
    Maintain blood flow around the wound.
  17. Which structure temporarily stores food?
    Crop
  18. Where do nerve tissues concentrate, typically called the brain?
    Ganglia
  19. Part of the excretory system.
    Nephridia
  20. Grinds food during digestion.
    Gizzard
  21. Where does digestion and absorption of nutrients occur?
    Intestine
Author
mecoop23
ID
349439
Card Set
Annelid Test
Description
earthworms and leeches
Updated