Biology Unit 6 Vocabulary

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Across
  1. 4. Development of new species
  2. 8. Small subset of a population colonizes a new area
  3. 10. Relative abundance of a trait in a population
  4. 11. Describes all the alleles present in all the individuals in a population
  5. 14. When the average phenotype achieves higher fitness
  6. 15. Group of organisms of the same species that live in the same place at the same time and interbreed
  7. 16. Adaptation that allows spreading into other environments
  8. 17. The idea that those individuals best suited to their environments acheive higher fitness
  9. 18. Physical separation of 2 populations of the same species
Down
  1. 1. Evolution as a result of humans deciding which traits to select for or against
  2. 2. State of genetic equilibrium
  3. 3. Structure of different species that are similar in function but not necessarily in structure
  4. 5. When one extreme phenotype acheives higher fitness
  5. 6. Large population cut down to a much smaller one
  6. 7. Movement of genes/alleles between populations
  7. 8. Ability of an organism to survive and reproduce succesful offspring
  8. 9. Communication barriers and mating selection differences
  9. 12. Factors that increase fitness
  10. 13. Random changes in allele frequency due to random events