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Across
  1. 1. represents the hardy windberg
  2. 4. a group of individuals of the same species living in a specific geographic area at the same time, capable of interbreeding and sharing genes
  3. 6. any essential substance or object (like food, water, nutrients, light, space, territory)
  4. 9. isolation a prezygotic reproductive barrier where distinct mating rituals, courtship displays, or signals (like calls or dances)
  5. 13. isolation when physical barriers (like mountains, rivers, oceans)
  6. 14. variation the difference in DNA sequences among individuals within a species
  7. 18. the movement of individuals out of a population, habitat, or region, reducing the original group's size
  8. 19. a heritable trait (physical, behavioral, or physiological) that helps an organism survive and reproduce in its specific environment
  9. 21. selection a type of natural selection where intermediate traits are favored, eliminating
  10. 23. pool the total collection of all genes and their different versions (alleles) found within an entire population of a single species
  11. 24. isolation a prezygotic barrier where two species can't interbreed because their mating seasons
Down
  1. 2. the fundamental definition of allele frequencies
  2. 3. effect a sharp reduction in a population's size,
  3. 5. selection the process where organisms better adapted to their environment are more likely to survive, reproduce
  4. 7. selection a type of natural selection where one extreme phenotype (trait)
  5. 8. drift a fundamental evolutionary process where allele frequencies (gene variant proportions) in a population change randomly from generation to generation
  6. 10. frequency a heritable trait (physical, behavioral, or physiological) that helps an organism survive and reproduce in its specific environment
  7. 11. the movement of individuals of a species into a new population or habitat, increasing its size, genetic diversity, and potentially altering its dynamics
  8. 12. the ability of an organism to survive, reproduce, and leave fertile offspring in a specific environment
  9. 15. selection a type of natural selection where extreme traits at both ends of a spectrum are favored over intermediate
  10. 16. windberg allele and genotype frequencies in a population will remain
  11. 17. effect a genetic phenomenon where a new population, established by a small, isolated group formed a large one
  12. 20. when one organism evolves to resemble another (a model)
  13. 22. flow the transfer of genetic materieals (alleles) between different populations of the same species