Biology Lecture ch 33 Vocab

  1. Pentaradial symmetry
    • symmetry in 5 or multiples of five
    • changed from the bilateral symmetry larva
  2. water vascular system
    • a unique feature of the echinoderms
    • a network of water-filled canals leading to extensions (tube feet)
    • madreporite -> ring canal -> radial canal -> tube feet
  3. Tube feet
    extensions used for locomotion, gas exchange, and feeding
  4. notochord
    • most distinct chordates
    • composed of a core of large cells with fluid filled vacuoles making it rigid and flexible
  5. Vertebrates
    have jointed vertebral column
  6. vertebral column
    • in the dorsal cavity
    • replaces the notochord during early development
  7. tetrapods
    the four legged vertebrates
  8. amphibians
    • the adaptation of water bound animals to terrestrial animals
    • must stay in moist environments to stay alive
  9. culture
    the knowledge and traditions that are passed along from one generation to the next by teaching and observation
Card Set
Biology Lecture ch 33 Vocab
Ch 33 "Deuterostome Snimals"