Natural Selection Glossary Crossword.

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Across
  1. 2. a graph that uses bars to show how characteristics or values are distributed within a group.
  2. 3. a long piece of DNA that contains many gene.
  3. 5. to stay alive.
  4. 9. everything (living and nonliving) that surrounds an organism.
  5. 11. an idea about what might happen that is based on what you already know.
  6. 12. a type of molecule that genes and chromosomes are made of.
  7. 13. a group of individuals born and living at about the same tim.e
  8. 15. a trait that makes it more likely that an individual will survive in a specific environment.
  9. 17. a specific characteristic of an individual organism.
  10. 18. a random change to a gene that sometimes results in a new trait.
  11. 19. a way of hiding by looking the same as the background.
  12. 21. a group of the same type of organism living in the same area.
  13. 22. a group of organisms of the same kind (in one or more populations) that do not reproduce with organisms from any other group.
  14. 25. an animal that hunts and kills other animals for food.
  15. 28. living things, such as plants, animals, and bacteria.
  16. 29. to receive genes from a parent.
  17. 31. the process in which two parents pass on their genes to create offspring.
  18. 32. an instruction for making a protein molecule.
Down
  1. 1. the process by which the distribution of traits in a population changes over many generations.
  2. 4. an organism produced as a result of reproduction.
  3. 6. a young insect that looks somewhat different from the adult.
  4. 7. a trait that makes it less likely that an individual will survive in a specific environment.
  5. 8. the number of individuals with each trait in a population.
  6. 10. a characteristic that all members of a species have.
  7. 14. any difference in traits between individual organisms.
  8. 16. a related organism from a previous generation.
  9. 20. a result or change that happens because of an event or process.
  10. 23. something in the environment that affects an individual's chances of surviving.
  11. 24. an animal that is hunted or killed by another animal for food.
  12. 26. a specific form of a gene that provides instructions for making a particular protein molecule.
  13. 27. a type of large molecule that performs important functions inside organisms.
  14. 30. an event or process that leads to a result or change.