EVOLUTION AND NATURAL SELECTION

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