natural selection
Across
- 4. an event or process that leads to a result or change
- 5. a trait that makes it more likely that an individual will survive in a specific environment
- 6. a characteristic that all members of a species have
- 8. a way of hiding by looking the same as the background
- 10. a long piece of DNA that contains many gene
Down
- 1. everything that surrounds an organism
- 2. a type of molecule that genes and chromosomes are made of
- 3. the number of individuals with each trait in a population
- 7. a result or change that happens because of an event or process
- 9. a related organism from a previous generation