7th Grade Part 4

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Across
  1. 2. an event in which many types of living things become extinct at the same time
  2. 4. On what day did God create land animals and man?
  3. 8. movement of molecules through a membrane
  4. 9. dominance with a pattern of inheritance where traits are blended
  5. 13. On what day did God create morning and night?
  6. 14. On what day did God create sea creatures and birds?
  7. 15. performed by plants to provide food
  8. 16. the DNA copying process
Down
  1. 1. joining of gametes to form a diploid cell
  2. 3. letters that represent the different combinations of alleles
  3. 5. How are letters used to represent the recessive allele?
  4. 6. process cells use to make RNA copies of a gene
  5. 7. Guanine always pairs with ____
  6. 10. photosynthesis stores sunlight's energy as ___
  7. 11. an example of a phenotype
  8. 12. trait that an organism expresses