8th Grade Natural Selection

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