Across
- 1. an animal that feeds on flesh
- 3. animals is an animal kept primary for a persons company or entertaiment rather than as a working animal
- 4. a regulatory substance produced in an organisms and transported in tissue fluid such as blood
- 8. the inherent inclination of a living organisms
- 9. a chemical substance produced and released into the enviroment by an animal, etc mammal
- 10. an animals that feeds on plants
Down
- 2. a substance that provides nourishment essential for growth and the maintenance of life
- 5. an animal that feeds on both
- 6. a thing or event that evokes a specific functional reaction in an organ or tissue
- 7. the study and the variation of in herited
- 11. specialization specialized metabolically so only portion of possible metabolic