Across
- 2. physical environment with different species that interacts with one another and nonliving things
- 5. made up of one or more cells
- 8. variety of life
- 9. smallest unit that can perform all life’s processes
Down
- 1. sum of all chemical reactions that take in and transform energy and materials from the environment
- 3. living things that reproduce by interbreeding
- 4. in all organisms the genetic material is a molecule called deoxyribonucleic acid, or DNA
- 6. the study of life
- 7. organized group of related parts interact to form a whole
- 8. all living things and all the places they are found on earth