natural selection

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Across
  1. 2. A long piece of DND that contains many genes
  2. 5. A characteristic that all members of species have
  3. 7. A type of molecule that genes and Chromosomes are made of
  4. 8. A related organism from a previous generation
  5. 9. An instruction for making a protein molecule
Down
  1. 1. The number of individuals with each trait in a population
  2. 2. An event or process that leads to a result or change
  3. 3. A result or change that happens because of an event or process
  4. 4. A way of hiding by looking the same as the background
  5. 6. Everything (living and nonliving) that surrounds an organism