Natural Selection Vocab

123456789101112131415161718192021
Across
  1. 3. to receive genes from a parent
  2. 4. a group of individuals born and living at about the same time
  3. 6. a way of hiding by looking the same as the background
  4. 7. an animal that hunts and kills other animals for food
  5. 8. any difference in traits between individual organisms
  6. 9. an animal that is hunted or killed by another animal for food
  7. 10. a related organism from a previous generation
  8. 15. the number of individuals with each trait in a population
  9. 18. a random change to a gene that sometimes results in a new trait
  10. 20. to stay alive
  11. 21. a type of molecule that genes and chromosomes are made of
Down
  1. 1. a characteristic that all members of a species have
  2. 2. a long piece of DNA that contains many genes
  3. 5. everything (living and nonliving) that surrounds an organism
  4. 11. having died out completely and no longer alive anywhere on Earth
  5. 12. living things, such as plants, animals, and bacteria
  6. 13. evidence of life from the past, such as fossilized bones, footprints, or leaf prints
  7. 14. a group of the same type of organism living in the same area
  8. 16. a specific characteristic of an individual organism
  9. 17. an organism produced as a result of reproduction
  10. 19. an instruction for making a protein molecule