Zoology Final Review

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Across
  1. 3. body system of glands
  2. 9. era with first multicellular life
  3. 10. away from the point of attachment
  4. 11. six legs, three body segents
  5. 12. 10 legs, 2 body segments, crabs and lobsters
  6. 13. arthropod with two pairs of legs per segment, harmless scavenger
  7. 18. era when mammals are dominate land animal
  8. 19. segmented worms
  9. 23. top or back side
  10. 24. arthropod with one pair of legs per segment, venomous predator
  11. 25. body system that filters blood
  12. 26. body system with brain and spinal cord
  13. 27. warm blooded, hair, milk
  14. 28. have foot, mantle, and radula, clams and snails
  15. 29. includes bony, jawless, and cartilaginous
  16. 30. warm blooded with feathers
Down
  1. 1. body system that breaks down food
  2. 2. bottom or belly side
  3. 4. body system that transports blood around the body
  4. 5. close to the point of attachment
  5. 6. vertebrate group where larvae are born in water then move to land through metamorphosis
  6. 7. phylum with stinging cells and tentacles, jellyfish
  7. 8. simplest animals
  8. 14. water vascular system, starfish sea urchins
  9. 15. scaly skin, cold blooded, amniotic eggs
  10. 16. nematodes
  11. 17. simple worms that can regenerate, planarians
  12. 19. jointed legs and appendages, exoskeleton
  13. 20. era with first vertebrates and life on land
  14. 21. eight legs, two body segments
  15. 22. era of dinosaurs