Natural Selection

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Across
  1. 3. All members of a species that live in an area.
  2. 5. gradual change over a long period of time leading to new species
  3. 7. Species producing more offspring than can survive
  4. 9. Selective breeding to enhance desired traits among stock or crops
  5. 10. All information about past life that can provide evidence about the history of life on Earth.
  6. 11. When the last individual organism of a species dies.
  7. 13. the changing of the structure of a gene, resulting in a different form that may be transferred to later generations, caused by changes in DNA
  8. 14. Organisms that are most fit to their environment will have the best chance of survival.
  9. 15. Occurs as a population’s genes and frequencies change over time.
Down
  1. 1. Individuals that have physical or behavioral traits that better suit their environment are more likely to survive and will reproduce more successfully than those that do not have such traits.
  2. 2. When populations cant breed due to geographic separation
  3. 4. Differences in traits between individuals of the same species
  4. 6. An inherited characteristic that increases an organism’s chance for survival.
  5. 8. The ability of an organism to their traits in its environment based on the traits they have.
  6. 12. When organisms of the same species compete for limited food and other resources