Grade 8 Exam Review

12345678910111213
Across
  1. 3. Removing sediment using water, ice or wind
  2. 4. shows the genes an organism has for a trait
  3. 6. credited with the idea of Uniformitarianism
  4. 7. the type of plant Mendel studied to understand genetics
  5. 9. age uses approximate age of the rock layers
  6. 10. organism has both genes for a trait
  7. 12. develops from some other type of rock
  8. 13. factors affecting growth temperature, food, and space
Down
  1. 1. a description of the physical traits
  2. 2. when both parent traits show in the offspring
  3. 5. theory that states all organisms started from one common ancestor
  4. 8. theory that states organisms all created at one time
  5. 11. different forms of the same trait