Genetics, populations, evolution and ecosystems

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Across
  1. 2. Relating to the evolutionary history and relationships between species.
  2. 6. Capable of movement.
  3. 7. The lineage or descent of an organism.
  4. 8. The natural environment where an organism lives.
  5. 10. A sampling square used to study populations.
  6. 15. Group of individuals of the same species living in an area.
  7. 16. Variety of life in an ecosystem or on Earth.
  8. 18. Having two different alleles for a gene.
  9. 19. Both alleles expressed equally in heterozygotes.
  10. 23. Competition between different species.
  11. 25. Speciation caused by geographic isolation.
  12. 26. Change in species over time through genetic variation and selection.
Down
  1. 1. All the populations of different species living together.
  2. 3. A segment of DNA that codes for a protein.
  3. 4. The genetic makeup of an organism.
  4. 5. Passing of genetic information from parents to offspring.
  5. 9. Non-living environmental factors.
  6. 11. Different forms of a gene.
  7. 12. Competition between individuals of the same species.
  8. 13. Having two identical alleles for a gene.
  9. 14. Living factors in an ecosystem.
  10. 17. Speciation without geographic isolation.
  11. 20. Random changes in allele frequencies in a population.
  12. 21. Movement of genes between populations.
  13. 22. Protection and management of biodiversity.
  14. 24. First species to colonize a barren environment.