vocab puzzle

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Across
  1. 4. an animal that only feeds on plants.
  2. 6. an animal that only feeds on flesh.
  3. 9. is an animal kept for primary company.
  4. 10. the study of heredity and the variation of inherited characteristics.
Down
  1. 1. specialized metabolically so only portion of possible metabolic pathways.
  2. 2. a chemical substance produced and released into the environment by an animal.
  3. 3. a substance that provides nourishment.
  4. 5. a regulated substance produced in an organism and transported in tissue fluids such as blood or sap to stimulate specific cells.
  5. 7. a thing or event that evokes a specific functional reaction in an organ or tissue.
  6. 8. an animal that feeds on both plants and flesh.