Across
- 3. animals in general
- 4. the chemical reactions of a being
- 7. adjustment to a changing situation
- 9. a flesh-eating animal
- 10. what provides nourishment for a parasite
- 11. the place where a species lives
- 12. occurring during the day
Down
- 1. plants in general
- 2. what nourishes itself on another
- 5. microorganisms which cause disease
- 6. tiny life forms
- 8. occurring during the night