Natural Selection Crossword
Across
- 1. way of hiding by looking the same as the background
- 3. receive genes from a parent
- 5. characteristic that all members of a species have
- 8. specific characteristic of an individual organism
- 9. long piece of DNA that contains many genes
- 11. group of individuals born and living at about the same time
- 12. trait that makes it less likely that an individual will survive in a specific environment
- 15. number of individuals with each trait in a population
- 16. idea about what might happen that is based on what you already know
- 17. event or process that leads to a result or change
- 18. difference in traits between individual organisms
Down
- 2. random change to a gene that sometimes results in a new trait
- 4. result or change that happens because of an event or process
- 6. graph that uses bars to show how characteristics or values are distributed within a group
- 7. group of organisms of the same kind (in one or more populations) that do not reproduce with organisms from any other group
- 10. stay alive
- 13. related organism from a previous generation
- 14. process by which the distribution of traits in a population changes over many generations
- 15. type of molecule that genes and chromosomes are made of