Chapter 14

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Across
  1. 3. the movement of molecules from an area where they are high in concentration one of low concentration
  2. 6. this refers to animals that live on or in their food source
  3. 8. intracellular digestion in which particles are ingested
  4. 12. an organism which has cells that are in direct contact with their environment
  5. 13. this organism has sufficient surface area which allows for exchange of gases
  6. 15. intracellular digestion in which liquids are digested
  7. 16. exchange occurs in this part of the lungs
Down
  1. 1. this type of evolution usually results in similar adaptations of diverse organisms facing similar challenges
  2. 2. regularly consumes animals as well as plant material
  3. 4. circulatory fluid that bathes the organs directly in the circulatory system
  4. 5. moves the respiratory medium over the respiratory surface
  5. 7. cavity this “space” functions in both digestion and distribution of nutrients
  6. 9. the third stage in food processing seen in animals
  7. 10. biological form of an organism
  8. 11. Marine worms use this as a gas exchange medium
  9. 14. biological functions an organism performs