Across
- 5. Large scale evolutionary changes that create new species
- 6. Reciprocal evolutionary influence between two species
- 7. A species that no longer exists
- 8. An organism's ability to survive and reproduce
Down
- 1. Selection based on mate choice
- 2. Selection human-driven breeding process
- 3. Small scale evolutionary changes within a population
- 4. Explains the origin of eukaryotic cell organelles like mitochondria and chloroplasts
