Biology

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Across
  1. 5. break down organic matter
  2. 6. characteristic types of chromosomes in a species
  3. 10. main factor making humans different from each other(abbreviated)
  4. 12. change in heritable characteristics
  5. 13. splitting of pre-existing species
Down
  1. 1. a cause of variation in asexual organisms
  2. 2. change in acquired characteristics
  3. 3. John Endler's experiment species
  4. 4. Darwin's theory of evolution
  5. 7. cell contains three or more sets of chromosomes
  6. 8. reduces gene pool
  7. 9. a group of organisms with shared traits
  8. 10. main way of classifying chromosomes
  9. 11. reliable source of energy in an ecosystem
  10. 14. position within a community