Biology

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Across
  1. 3. The idea that those individuals best suited to their environment will achieve higher Fitness.
  2. 6. State of genetic equilibrium characterized by a large population, no migration, no natural selection, no mutation, and random mating.
  3. 10. Type of natural selection in which individuals I either extreme of the bell curve achieve higher Fitness and the average is selected against.
  4. 13. Isolation of a population due to differences in communication, mating rituals, and other behaviors.
  5. 15. Describes the movement of genes/alleles/individuals between 2 neighboring populations - makes populations more alike. Gene Pool- Collection of all alleles present in a population.
  6. 16. Type of natural selection in which individuals with one extreme phenotype have an advantage and the Other Extreme is selected against.
  7. 17. Migration of individuals out of a population. Fitness- Measurement of the ability of an individual to survive and reproduce successful offspring.
  8. 18. When a small part of a population is separated from the rest and colonizes a new area-They often respond differently to Natural Selection pressures.
  9. 19. A necessary or desired commodity in an ecosystem - individuals of a population will compete for these.
Down
  1. 1. Percent of individuals of a population that have a particular trait-expressed as a number between 0 and 1.
  2. 2. Type of natural selection in which individuals with the Average phenotype have an advantage and the extremes are selected against.
  3. 4. Isolation of a population due to differences in the timing of mating
  4. 5. Group of individuals of the same species that live in the same area at the same time and can interbreed.
  5. 7. Any characteristic that increases the fitness of an individual.
  6. 8. When a population experiences a rapid, drastic reduction in the number of individuals in the population-Reduces variation and changes allele frequencies of the population.
  7. 9. Random changes in a low frequencies attributed to luck, not Fitness Genetic Variation- Refers to the differences among individuals in a population.
  8. 11. Migration of new individuals into a population.
  9. 12. When organisms will impersonate other organisms to increase Fitness.
  10. 14. Isolation of a population due to physical barriers such as fence, mountain range, or body of water.