Across
- 3. grouping of organisms according to their similarities
- 7. interaction living organisms with another and not living
- 9. some cross over with biochemistry
Down
- 1. the study of human beings
- 2. the study of microorganisms
- 3. the basic unit of life
- 4. the sum of all chemical reactions in living organisms
- 5. the study of plants
- 6. study of organisms's inner structure
- 8. the study of genes and heredity
