Ecology (Ch.5 & 6-1) Crossword Activity

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Across
  1. 1. This diversity looks at The variety of species within a given ecosystem.
  2. 8. The individuals that belong to the same species and live in a given area at a given time.
  3. 9. A trait that improves an individual’s fitness.
  4. 16. The complete set of genes in an individual.
  5. 17. All of the populations of organisms within a given area.
  6. 18. A physical location on the chromosomes within each cell of an organism.
  7. 22. Evolution occurring below the species level.
  8. 24. A change in the genetic composition of a population over time as a result of the environment determining which individuals are most likely to survive and reproduce.
  9. 25. The range of abiotic and biotic conditions under which a species actually lives.
  10. 26. A change in the genetic composition of a population over time as a result of humans selecting which individuals breed, typically with a preconceived set of traits in mind.
  11. 27. This diversity looks at The variety of genes within a given species.
  12. 28. A random change in the genetic code produced by a mistake in the copying process.
  13. 29. A change in the genetic composition of a population over time.
  14. 30. The ratio of males to females.
  15. 31. This diversity looks at the variety of ecosystems within a given region.
  16. 32. The remains of an organism that has been preserved in rock.
Down
  1. 2. A set of traits expressed by an individual.
  2. 3. A change in a population descended from a small number of colonizing individuals.
  3. 4. Areas of the world in which a species lives.
  4. 5. A large extinction of species in a relatively short period of time.
  5. 6. A change in the genetic composition of a population over time as a result of random mating.
  6. 7. A reduction in the genetic diversity of a population caused by a reduction in its size.
  7. 10. The study of factors that cause populations to increase or decrease.
  8. 11. An individual’s ability to survive and reproduce.
  9. 12. Evolution that gives rise to new species, genera, families, classes, or phyla.
  10. 13. The limits to the abiotic conditions that a species can tolerate.
  11. 14. A description of how individuals are distributed with respect to one another.
  12. 15. The suite of ideal environmental conditions for a species.
  13. 19. The number of species in a given area.
  14. 20. The relative proportion of different species in a given area.
  15. 21. The total number of individuals within a defined area at a given time.
  16. 23. A description of how many individuals fit into particular age categories.