Unit 4: Evidence for Evolution Vocabulary Review

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Across
  1. 2. naturalist who developed the Theory of Evolution
  2. 6. the developmental stage of an organism
  3. 9. naturally occurring differences within a species
  4. 11. when all members of a species have died
  5. 12. preserved remains of an organism from the past
  6. 16. The age of an object in relation to the ages of other objects
  7. 17. when humans select plants and animals for breeding based upon desired traits
  8. 18. the process by which populations change over time
Down
  1. 1. an inherited trait which helps an organism survive and reproduce that is maintained and evolved by natural selection
  2. 3. most recent species from which two different species have evolved
  3. 4. Structures that share similar anatomy and support common ancestry
  4. 5. A _______ is all of the individuals of a species living in an area at the same time
  5. 7. physical characteristics of an organism determined by genetics and the environment
  6. 8. an organism's genetic code is known as its ___.
  7. 10. Structures that no longer have a purpose or function
  8. 13. a change in genetic code
  9. 14. Structures that have different anatomy but similar functions
  10. 15. Darwin studied the differences between the ______ of finches