Across
- 2. infectious agent that replicates itself within living hosts
- 5. the organic processes that are necessary for life
- 7. the study of heredity and variation in organisms
- 8. single celled organism
Down
- 1. the organism that has more than one cell
- 3. formation of compounds in plants aided by radiant energy
- 4. functional unit of living things
- 6. part of DNA controlling physical characteristics and growth
- 9. energy molecule that living things use