Natural Selection

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