Natural Selection/Evolution
Across
- 5. If species B and C evolved from species A then species B is what type of species to species A
- 11. "I didn't pay attention and got kicked off the bus" getting kicked off is an
- 12. A specified version of a gene
- 13. Thick fur in cold weather
- 14. An example of this would be long arms
- 15. Species B and C evolved from species A, so species A is what kind of population to them
- 17. The population of Fulton has been about 750 for the past 10 years, so it is
- 19. Your classmates, your desks, the floor, all make up your
- 20. This is one of the main types of evidence a paleontologist uses
- 21. A small piece of DNA
- 22. Humans and blue whales share a common ancestor so we are
- 23. A place where you can find genes
Down
- 1. A cat's leg and a human's arm are an example of a
- 2. Non-adaptive traits become ________ common over time
- 3. This is about 15-20 years for a human
- 4. When a population gets divided into two environments and evolves differently its called
- 6. These form your traits (plural)
- 7. Altering a gene in a human so they become spiderman is
- 8. Breeding tiny dogs together so you get a rat called a chihuahua, is
- 9. The kind of adaptation you make many times a day
- 10. In a population 50 humans have blonde hair. This shows
- 16. A change in the distribution of traits over many generations
- 18. You can't tell if a gene will be passed down because it's
- 19. Making many adaptations over time through natural selection can cause what