4B Diversity and Selection

12345678910111213141516
Across
  1. 7. A change in the DNA sequence.
  2. 8. The struggle between organisms for resources.
  3. 10. The ability of bacteria to survive exposure to antibiotics.
  4. 11. The change in the heritable characteristics of biological populations over successive generations.
  5. 12. The variety of genes within a population or species.
  6. 13. A variant form of a gene.
  7. 14. The establishment of a new population by a small group of individuals.
  8. 15. A group of individuals of the same species living in the same area.
  9. 16. The surroundings or conditions in which an organism lives.
Down
  1. 1. A group of organisms capable of interbreeding and producing fertile offspring.
  2. 2. A type of natural selection where the average phenotype is favored.
  3. 3. A factor in the environment that influences the survival and reproduction of organisms.
  4. 4. A drastic reduction in population size.
  5. 5. A trait that enhances an organism's ability to survive and reproduce in a particular environment.
  6. 6. A type of natural selection where an extreme phenotype is favored.
  7. 9. The process by which organisms with traits better suited to their environment tend to survive and reproduce more successfully.