Biology vocab unit 6

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Across
  1. 3. variation The differences among individuals in a population
  2. 4. type of natural selection in which individuals at either extreme of bell curve achieve higher fitness and the average is selected against
  3. 5. movement of individuals out of a population
  4. 10. collection of all the alleles present in a population
  5. 11. Movement of new individuals into a new population
  6. 14. percent of individuals that have a particular trait, expressed as a number between 0-1
  7. 15. drift random changes in allele frequencies to luck, not fitness
  8. 16. the idea that those individuals best suited to their enviornment will achieve higher fitness
  9. 17. due to physical barriers like fences and mountains
  10. 19. Hardy weinburg equation that states that all dominant alleles and all the recessive represent all the alleles in a population
  11. 20. state of genetic equilibrium characterized by a large population, no natural selection, random mating
  12. 21. any characteristics that increases the fitness of species
Down
  1. 1. individuals with the average phenotype have an advantage and the extremes are selected against
  2. 2. isolation due to differences in communication, mating rituals, etc
  3. 6. a necessary or destined commodity in an ecosystem-Individuals will compete for these
  4. 7. individuals with one extreme phenotype have an advantage and the other extreme is selected against
  5. 8. due to different times of mating
  6. 9. describes the movement of genes/individuals between two neighboring populations
  7. 12. measurement of the ability of an individual to survive and produce successful offspring
  8. 13. Hardy Weinberg equation that states that all the homozygous recessive individuals and all the heterozygous individuals and all the homozygous recessive alleles represent all individuals in a population
  9. 18. group of individuals of the same species in the same time and can interbreed