Science(Unit 6)lesson 6

12345678910111213141516171819
Across
  1. 3. canal system is larger than asconoid
  2. 4. know as collar cells
  3. 6. ate the simplest animals
  4. 7. the head region vontains light sensitive organs
  5. 10. sre those that lack the vertebral columnas the supporting structure
  6. 13. forms the epidermis
  7. 14. is a tubular sessile form
  8. 15. are found mostly in marine environments
  9. 16. in between the germ layers in gelatinous matrix
  10. 17. is the largest and most complex canal system
  11. 19. symmetry is a body plan where the body parts are arranged circularly
Down
  1. 1. have unsegmented bodies that are flat
  2. 2. is a canal system that is shaped lika asimple tube perforated by pores
  3. 5. animals with regular body
  4. 8. is a body plan where the body parts are arranged equally
  5. 9. forms the endodermis or gastrodermis
  6. 11. animals with irregular body
  7. 12. they are call iternal bud
  8. 16. is lika an umbrellalike form that is free swimming
  9. 18. they thrive in moist damp places and in a freshwater habitat