Across
- 2. any movement of people, either temporary or permanent, from one place to another
- 5. a mistake or a change in a living thing's DNA
- 7. breeding-choosing parents with particular characteristics to breed together and produce offspring with more desirable characteristics
- 9. the number of people living in a certain place
- 10. special body parts or behaviors that help a living thing survive in an environment
- 11. a group of similar organisms that are able to reproduce
- 12. carries water from the roots to all parts of the tree or plant
Down
- 1. underground masses of food storage from which plants growunderground masses of food storage from which plants grow
- 3. a group of people born and living during the same time
- 4. differences in genes between individuals or groups of individuals
- 6. animals-ones that can be raised or petted by humans and live close to them
- 8. selection- the process through which populations of living organisms adapt and change