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