Chapter 10

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Across
  1. 3. this type of symmetry has a midline (creates a mirror image)
  2. 5. these have jointed appendages, exoskeleton, and include insects. Ex: butterfly, crab and scorpion
  3. 9. which animal is a "pore-bearer"
  4. 10. this means the digestive system only has 1 opening
  5. 12. which animal group can exchange oxygen and carbon dioxide
  6. 14. this means an animal can regulate its inner body temperature
  7. 17. evolutionists try to reclassify animals according to their _____ theories
  8. 20. a flexible rod found in chordate animals
  9. 22. stinging cells that cnidarians use to capture food
  10. 27. this type of fish has an endoskeleton made of cartilage. Ex: sharks and rays
  11. 29. examples of this invertebrate group include jellyfish and coral
  12. 30. the only invertebrates that can fly
  13. 31. periodic shedding of skin
  14. 32. all _______ have backbones, endoskeletons, and skulls
  15. 33. this is the structure that attaches an embryo to a placenta
  16. 34. all animals are made of this type of cell
  17. 35. they have a pouch in which they raise their young
Down
  1. 1. invertebrates without symmetry, cephalization, or guts
  2. 2. this mean that an animals has sensory organs and a brain concentrated at one end
  3. 4. this means an animal has a digestive system with 2 openings
  4. 6. having hair/fur, having mammory glands, and producing milk are all characteristics of _____
  5. 7. all animals are called this because they don't produce, they just eat
  6. 8. Baraminology comes from the Hebrew words meaning this
  7. 10. if an animal has no backbone, it is considered this
  8. 11. 95% of animals can be classified as this
  9. 13. ______ reproduce sexually although some can reproduce asexually
  10. 15. three basic groups of fish include: ______, bony and cartilaginous
  11. 16. these animals have two body segments and eight legs; ex: spiders, scorpions and ticks
  12. 18. a jellyfish has this type of symmetry
  13. 19. long, soft-bodied animals with bilateral symmetry
  14. 21. segmented worms have _____ body divisions that contain the same set of organs
  15. 23. arthropods with either eight or ten legs
  16. 24. an animals that cannot regulate its inner temperate - ex: lizard, snake, fish
  17. 25. a scientist who studies animals
  18. 26. animals that never have a notochord - doesn't mean they don't have a form of a skeleton
  19. 28. this type of symmetry has NO imaginary line that will divide into a mirror image