Natural Selection

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Across
  1. 2. Non-living factors within an environment.
  2. 4. The gradual changes in the traits of species over time that relies on the process of natural selection.
  3. 6. Anything that restricts a population's size and slows or stops it from growing.
  4. 7. Slight differences between members of the same species.
Down
  1. 1. A process in which organisms that are better adapted to their environment will survive better and produce more offspring.
  2. 2. An inherited trait that helps a species survive in its environment.
  3. 3. A permanent change in an organisms DNA. Can be positive, neutral, or harmful.
  4. 5. Living factors within an environment.