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