Natural Selection

3. any difference in traits between individual organisms
4. an organism produced as a result of reproduction
5. a graph that uses bars to show how characteristics or values are distributed within a group
7. a group of organisms of the same kind (in one or more populations) that do not reproduce with organisms from any other group
9. to receive genes from a parent
12. more likely that an individual will survive in a specific environment
13. a related organism from a previous generation
14. everything (living and nonliving) that surrounds an organism
17. an animal that is hunted or killed by another animal for food
19. a group of the same type of organism living in the same area
20. a random change to a gene that sometimes results in a new trait
22. an instruction for making a protein molecule
23. does not help or hurt a population survive
24. living things, such as plants, animals, and bacteria

1. something in the environment that affects an individual’s chances of surviving
2. a way of hiding by looking the same as the background
6. a group of individuals born and living at about the same time
8. a long piece of DNA that contains many genes
10. a characteristic that all members of a species have
11. the number of individuals with each trait in a population
15. less likely that an individual will survive in a specific environment
16. the process by which the distribution of traits in a population changes over many generations
18. a type of molecule that genes and chromosomes are made of
19. an animal that hunts and kills other animals for food
21. a specific characteristic of an individual organism