sophomore year vocab practice lesson 18
Across
- 2. having germ-killing properties
- 5. the central and essential core of a cell, a central point or group around which action occurs
- 8. the degree of variation of life within a specific environment or species
- 11. the study of cells
- 13. the process of converting light into energy
- 14. to change the form of a cancerous tumor, as in accelerating its growth
Down
- 1. capable of being transmitted through disease- causing organisms
- 3. the study of disease
- 4. unit- a measurement used in astronomy equal to the distance between the earth and the sun; approximately 93,000,000 miles
- 6. the twice-a-year occurrence- summer and winter- during which the sun is at its greatest distance from the earth
- 7. the health care of the elderly
- 9. the study of plants
- 10. table- an organized visual display of chemical elements and their properties
- 12. the study of heredity, genes, and inherited traits
- 15. the grouping of living organisms inhabiting the same environment