Across
- 8. the central organ of the nervous system
- 9. characteristic which is overrules by the dominant trait
- 11. a group of organs that work together to perform a specialized function
- 13. something that is learned or developed
- 14. all the bones in the body make up this body system
- 15. this system works with the skeletal system to protect the body's organs and to assist with movement
- 16. the most basic unit in all living things
- 17. organisms with only one cell, such as bacteria
- 20. the study of heredity
- 22. characteristic which overrules the lesser trait
- 24. distinguishing qualities or properties of something
- 25. chambers in the chest cavity where oxygen and carbon dioxide are exchanged
Down
- 1. consisting of the brain, spinal cod, and nerves this system gives to and receives from the rest of the body signals
- 2. any living thing
- 3. diagram used to predict the chance of which trait will be visible
- 4. another word for the heart muscle that pumps blood throughout the body
- 5. this system brings in oxygen for the cells to use
- 6. the stomach and intestine are part of this system
- 7. blood vessel that brings blood back to the heart
- 10. the process of passing on traits
- 12. organisms with more than one cell, like plants, animals, and humans
- 18. blood vessel that carries blood away from the heart
- 19. - set of instructions that tell the organism how to develop traits and features
- 21. this system brings oxygen and nutrients to all the body's cells and take away the cells' waste
- 23. passed down from parents to their offspring