Natural Selection

4. everything (living and nonliving) that surrounds an organism
9. a trait that makes it more likely that an individual will survive in a specific environment
13. an organism produced as a result of reproduction
19. the process in which two parents pass on their genes to create offspring
20. the process by which the distribution of traits in a population changes over many
21. a long piece of DNA that contains many genes
23. to stay alive
24. to receive genes from a parent
25. the number of individuals with each trait in a population

1. a trait that makes it less likely that an individual will survive in a specific
2. a group of individuals born and living at about the same time
3. a group of the same type of organism living in the same area
5. an animal that hunts and kills other animals for food
6. a group of organisms of the same kind (in one or more populations) that do not reproduce
7. organisms from any other group
8. a way of hiding by looking the same as the background
10. a graph that uses bars to show how characteristics or values are distributed within a group
11. a random change to a gene that sometimes results in a new trait
12. an animal that is hunted or killed by another animal for food
14. any difference in traits between individual organisms
15. a specific characteristic of an individual organism
16. a related organism from a previous generation
17. a type of molecule that genes and chromosomes are made of
18. an instruction for making a protein molecule
22. living things, such as plants, animals, and bacteria