Natural Selection

Edit Answers
12345678910111213141516171819202122232425262728293031323334
Across
  1. 4. a related organism from a previous generation
  2. 6. The reason why something happens
  3. 8. a result or consequence
  4. 10. the process by which the distribution of traits in a population changes over many generations
  5. 12. a specific form of a gene that provides instructions for making a particular protein molecule
  6. 14. an organism produced as a result of reproduction
  7. 15. the number of individuals with each trait in a population.
  8. 17. a characteristic that all members of a species have
  9. 18. a group of individuals born and living at about the same time
  10. 19. a young insect that looks somewhat different from the adult
  11. 22. a trait that makes it more likely that an individual will survive in a specific environment
  12. 23. something in the environment that affects an individual's chances of surviving
  13. 24. specific characteristic of an individual
  14. 25. a group of the same type of organism living in the same area
  15. 26. an instruction for making a protein molecule
  16. 27. a more recent species that evolved from an ancestor population
  17. 29. Non-living things
  18. 31. a type of molecule that genes and chromosomes are made of
  19. 32. a random change to a gene that sometimes results in a new trait
  20. 33. a graph that uses bars to show how characteristics or values are distributed within a group
  21. 34. a group of organisms of the same kind (in one or more populations) that do not reproduce with organisms from any other group
Down
  1. 1. a trait that makes it less likely that an individual will survive in a specific environment
  2. 2. to stay alive
  3. 3. to receive genes from a parent
  4. 5. any difference in traits between individual organisms
  5. 7. an animal that is hunted or killed by another animal for food
  6. 9. An older population from which two or more species descended
  7. 11. a long piece of DNA that contains many genes
  8. 13. an idea about what might happen that is based on what you already know
  9. 16. an animal that hunts and kills other animals for food
  10. 20. the process in which two parents pass on their genes to create offspring
  11. 21. living things, such as plants, animals, and bacteria
  12. 28. a way of hiding by looking the same as the background
  13. 30. living things