Natural Selection Vocabulary

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Across
  1. 4. to stay alive
  2. 6. a related organism from a previous generation
  3. 10. a result or change that happens because of an event or process
  4. 12. the number of individuals with each trait in a population
  5. 14. larger cells with a nucleus
  6. 16. everything (living and nonliving) that surrounds an organism
  7. 18. to receive genes from a parent
  8. 20. a random change to a gene that sometimes results in a new trait
  9. 22. a group of the same type of organism living in the same area
  10. 25. something in the environment that affects an individual’s chances of surviving
  11. 26. a group of individuals born and living at about the same time
  12. 27. an organism produced as a result of reproduction
  13. 29. a specific characteristic of an individual organism
  14. 30. trait a trait that makes it less likely that an individual will survive in a specific environment
Down
  1. 1. an animal that hunts and kills other animals for food
  2. 2. living things, such as plants, animals, and bacteria
  3. 3. the process in which two parents pass on their genes to create offspring
  4. 5. any difference in traits between individual organisms
  5. 7. to put in groups based on shared characteristics
  6. 8. an instruction for making a protein molecule
  7. 9. a way of hiding by looking the same as the background
  8. 11. trait a trait that makes it more likely that an individual will survive in a specific environment
  9. 13. an event or process that leads to a result or change
  10. 15. a group of tiny organisms that are made of a single cell with important molecular differences from the cells of bacteria
  11. 17. an idea about what might happen that is based on what you already know
  12. 19. the process by which the distribution of traits in a population changes over many generations
  13. 21. a type of molecule that genes and chromosomes are made of
  14. 23. evidence of life from the past, such as fossilized bones, footprints, or leaf prints
  15. 24. a long piece of DNA that contains many genes
  16. 28. a graph that uses bars to show how characteristics or values are distributed within a group