Across
- 3. compound that changes light energy to chemical energy
- 6. an animal eats both plants and animals
- 7. anything that has mass and takes up space
- 9. trait that helps an organism survive
- 13. temperature at which liquid turns to vapor
- 14. D=Mass/Volume
- 15. instrument that measures wind speed
- 16. instrument used to measure air pressure
Down
- 1. the basic unit of all life forms
- 2. organism that obtains energy by eating plants
- 4. the ability of a system to do work
- 5. Deoxyribonucleic acid
- 7. an alteration or change in a gene
- 8. an organism that eats only animals for food
- 10. a proposed explanation,
- 11. a biological community
- 12. units of heredity