Review session 3

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Across
  1. 3. hollow muscular organ that pumps blood around the body
  2. 4. organs that exchange oxygen
  3. 8. a system in which a product or result of a process limits the process itself
  4. 9. blood is only partially contained within a system of blood vessels as it travels through the body
  5. 13. animals that lack a back bone
  6. 15. segments of DNA serve as templates to produce complementary RNA molecules
  7. 16. gene mutations that involve changes in one or a few nucleotides
  8. 20. process in which food is broken down outside cells in a digestive system and is then absorbed
  9. 22. sepearate waste and extra water from the blood
  10. 23. respiratory structure of aquatic animals
  11. 25. organisms that are best adapted to an environment survive and reproduce more than others
Down
  1. 1. process of change over time
  2. 2. selection humans provide the selection
  3. 5. heritable changes in genetic information
  4. 6. untwists the double helix and exposes complementary glands
  5. 7. digest food inside specialized cells that pass nutrients to other cells by diffusion
  6. 10. any number of imaginary planes drawn through the center of the body could divide the body into equal halves
  7. 11. blood circulates entirely through blood vessels that extend through body
  8. 12. animals removing ammonia waste
  9. 14. s nucleic acids that consists of a long chain of nucleotides
  10. 17. tube like excretory structures that filter body fluid
  11. 18. decoding of mRNA to protein
  12. 19. long chains of amino acids
  13. 21. chemical or agent in the environment that cause mutation
  14. 24. chordate with a backbone