Across
- 3. preserved remains of/ traces of ancient organisms
- 9. body parts that share a common function, but not an evolutionary history
- 10. structures that are similar in different species of common ancestors
Down
- 1. selective breeding of plants and animals to receive the desirable trait
- 2. structure that is inherited from ancestors but which has lost much or all of its original function
- 4. heritable characteristics that increase an organisms ability to survive and reproduce in an environment
- 5. "survival of the fittest"
- 6. study of past and present distribution of organisms
- 7. change over time
- 8. how well an organism can survive and reproduce in its environment