Natural Selection Vocabulary

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