Science Pickles #1

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Across
  1. 5. a trait that is a feature passed from one generation to the next
  2. 6. alleles that could remain hidden in a population
  3. 9. a structure that has become useless through evolution but still exists
  4. 10. scientist that proposed the theory of evolution by natural selection
Down
  1. 1. all the DNA sequences of all the genes of an organism
  2. 2. type of muscle that makes up your heart
  3. 3. correlated with the number of offspring produced in natural selection
  4. 4. organ that cleans waste from the blood
  5. 7. passing down traits in a population over time
  6. 8. break down food located in the stomach