Evolution and Natural Selection

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Across
  1. 3. populations of organisms that evolve
  2. 4. The evolutionary processes through which new species arise from existing species.
  3. 7. adjustment or changes in behavior
  4. 9. a recent branch of genetics
  5. 11. A large molecule consisting of a chain of smaller molecules called amino acids
  6. 12. the differential survival and reproduction of individuals due to differences in phenotype.
  7. 14. double stranded DNA molecule
  8. 16. A term that refers to the survival of only those organisms best able (fittest) to obtain and utilize resources
  9. 18. A change in the sequence of one or more nucleotides in DNA
  10. 20. individuals that inbreed with each other
Down
  1. 1. the survival and reproductions of organisms
  2. 2. A group of organisms of the same species
  3. 5. a group of species of the same organism
  4. 6. A physical or behavioral characteristic of an organism.
  5. 8. A scientist who studies fossils to learn about ancient organisms.
  6. 10. a biological community of interacting organisms and their physical environment.
  7. 13. trace of organisms from the past
  8. 15. The intentional breeding of organisms with desirable traits
  9. 17. ribonucleic acid
  10. 19. an explanation for an observation