Across
- 5. What is the name of the combination of a sperm and an egg?
- 6. How many premises did Darwin's theory of evolution have?
- 8. What is the form of isolation based on time, temperature, and salinity?
- 11. What is the form of isolation that prevents hybrids from being born?
- 12. What is the process of evolution that happens in the wild?
- 13. What is the process of evolution that happens with human intervention?
- 16. What is reproduction called with a partner?
Down
- 1. What is the form of isolation caused by changes in organs in the body?
- 2. What is the form of isolation that deals with separating species or the inability to reproduce?
- 3. What is the form of isolation that excludes some species because of mating season (e.x bird calls)
- 4. Who made the first theory of evolution?
- 7. What is reproduction without another partner?
- 9. Who inspired Darwin to start exploring?
- 10. What is the form of isolation that is caused by differences in living?
- 14. How does an animal change to suit its environment?
- 15. What is the process whereby populations of organisms change over time?