Across
- 2. a way of hiding something to make harder to see
- 3. temperate species of night flying moths
- 6. organ that was once useful in an animals evolutionary past
- 7. copying the behavior or speech of another
- 8. originator of biological theory of evolution
- 10. animal in the past from which a modern animal developed
- 11. evolutionary process by which new biological species arise
- 12. theory that the differences between modern plants and animals because of changes that happen by natural process
Down
- 1. selective breeding
- 4. no longer existing
- 5. a remant, impression, or trace of an organism preserved in Earth's crust
- 9. change in a plant or animal that make it better able to live in a particular place