Natural selection science vocab

123456789
Across
  1. 3. a trait that helps an organism survive
  2. 5. the ratio of that allele to the total number of alleles
  3. 7. changes in DNA that help adapt or survive
  4. 9. when a few individuals become isolated from a larger population
Down
  1. 1. passed on traits from the parents of an organism
  2. 2. states an organism more adapted will have a higher chance to survive
  3. 4. any difference between individuals of the same species
  4. 6. population lowering so much that the genes left are not representative of the original population
  5. 8. the overall physical health of something