Natural Selection

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