Across
- 1. the parts of Earth where life exists
- 2. relating to measurements of living bodies (like fingerprints or DNA)
- 3. something dangerous to living organisms
- 4. a medicine that kills harmful living organisms (bacteria)
- 5. describing a relationship where two living things depend on each other
Down
- 1. able to be broken down by living organisms
- 2. the study of living things
- 3. a written account of someone’s life
