Evolution: Unity & Diversity

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Across
  1. 2. a specific characteristic of an individual
  2. 4. the change in activity of an organism in response to a stimulus
  3. 5. the whole number of organisms in a region
  4. 8. The lack of interbreeding or between organisms of the same species
  5. 10. the combination of all the genes present in a reproducing population or species
  6. 11. the presence of differences in sequences of genes between individual organisms of a species
  7. 12. the study of how the human body works
  8. 13. a group of organisms that can reproduce with one another in nature and produce fertile offspring.
  9. 15. the observable characteristics in an organism that results from the expression of genes
  10. 16. the process through which populations of living organisms adapt and change
  11. 17. how a new kind of plant or animal species is created
Down
  1. 1. the act of changing something or your behavior to make it suitable for a new situation
  2. 3. the inability of a species to breed successfully with related species due to barriers
  3. 6. an organism's ability to pass its genetic material to its offspring
  4. 7. the biological study of the form and organisation of living things
  5. 9. an interaction between organisms in which both require a resource that is in limited supply
  6. 14. arises from fitness differences associated with nonrandom success in the competition for access to gametes for fertilization