Evolution by Natural Selection

123456
Across
  1. 2. - states that the species with the most suitable characteristics to their environment are likely to survive
  2. 4. - a change in the environment of a species that leads to adaption or elimination
  3. 5. - a gradual change in species that results from natural selection
  4. 6. - a beneficial characteristic that results from a selection pressure
Down
  1. 1. - when a beneficial form of a gene is passed to the next generation
  2. 3. - an example of natural selection that occurred because of the industrial revolution