Chapter 10 Crossword

123456789101112131415161718
Across
  1. 2. mechanism by which individuals that have inherited beneficial adaptations produce more offspring on average than do other individuals
  2. 4. ability of a trait to be passed from one generation to the next
  3. 10. change in a species over time; process by which descendants come to differ from their ancestors
  4. 11. body part that is similar in function as a body part of another organism but is structurally different
  5. 12. trace of an organism from the past
  6. 13. measure of an organism's ability to survive and produce offspring relative to other members of a population
  7. 15. differences in physical traits of an individual from the group to which it belongs
  8. 17. process by which humans modify a species by breeding it for certain traits
  9. 18. theory that states that the geologic processes that shape Earth are uniform through time
Down
  1. 1. remnants of an organ or structure that functioned in an earlier ancestor
  2. 3. inherited trait that is selected for over time because it allows organisms to better survive in their environment
  3. 5. study of the distribution of organisms around the world
  4. 6. all of the individuals of a species that live in the same area
  5. 7. principle that states that the changes in landforms result from slow changes over a long period of time
  6. 8. study of fossils or extinct organisms
  7. 9. body part that is similar in structure on different organisms but performs different functions
  8. 14. theory that states that natural disasters such as floods and volcanic eruptions shaped Earth's landforms and caused extinction of some species
  9. 16. group of organisms so similar to one another that they can breed and produce fertile offspring